Harper v. Hall ( 2022 )


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  •              IN THE SUPREME COURT OF NORTH CAROLINA
    2022-NCSC-121
    No. 413PA21
    Filed 16 December 2022
    REBECCA HARPER; AMY CLARE OSEROFF; DONALD RUMPH; JOHN
    ANTHONY BALLA; RICHARD R. CREWS; LILY NICOLE QUICK; GETTYS
    COHEN, JR.; SHAWN RUSH; JACKSON THOMAS DUNN, JR.; MARK S.
    PETERS; KATHLEEN BARNES; VIRGINIA WALTERS BRIEN; and DAVID
    DWIGHT BROWN
    v.
    REPRESENTATIVE DESTIN HALL, in his official capacity as Chair of the House
    Standing Committee on Redistricting; SENATOR WARREN DANIEL, in his
    official capacity as Co-Chair of the Senate Standing Committee on Redistricting
    and Elections; SENATOR RALPH HISE, in his official capacity as Co-Chair of the
    Senate Standing Committee on Redistricting and Elections; SENATOR PAUL
    NEWTON, in his official capacity as Co-Chair of the Senate Standing Committee
    on Redistricting and Elections; SPEAKER OF THE NORTH CAROLINA HOUSE
    OF REPRESENTATIVES, TIMOTHY K. MOORE; PRESIDENT PRO TEMPORE
    OF THE NORTH CAROLINA SENATE, PHILIP E. BERGER; THE NORTH
    CAROLINA STATE BOARD OF ELECTIONS; and DAMON CIRCOSTA, in his
    official capacity
    NORTH CAROLINA LEAGUE OF CONSERVATION VOTERS, INC.; HENRY M.
    MICHAUX, JR.; DANDRIELLE LEWIS; TIMOTHY CHARTIER; TALIA FERNÓS;
    KATHERINE NEWHALL; R. JASON PARSLEY; EDNA SCOTT; ROBERTA
    SCOTT; YVETTE ROBERTS; JEREANN KING JOHNSON; REVEREND
    REGINALD WELLS; YARBROUGH WILLIAMS, JR.; REVEREND DELORIS L.
    JERMAN; VIOLA RYALS FIGUEROA; and COSMOS GEORGE
    v.
    REPRESENTATIVE DESTIN HALL, in his official capacity as Chair of the House
    Standing Committee on Redistricting; SENATOR WARREN DANIEL, in his
    official capacity as Co-Chair of the Senate Standing Committee on Redistricting
    and Elections; SENATOR RALPH E. HISE, JR., in his official capacity as Co-Chair
    of the Senate Standing Committee on Redistricting and Elections; SENATOR
    PAUL NEWTON, in his official capacity as Co-Chair of the Senate Standing
    Committee on Redistricting and Elections; REPRESENTATIVE TIMOTHY K.
    HARPER V. HALL
    2022-NCSC-121
    Opinion of the Court
    MOORE, in his official capacity as Speaker of the North Carolina House of
    Representatives; SENATOR PHILIP E. BERGER, in his official capacity as
    President Pro Tempore of the North Carolina Senate; THE STATE OF NORTH
    CAROLINA; THE NORTH CAROLINA STATE BOARD OF ELECTIONS;
    DAMON CIRCOSTA, in his official capacity as Chairman of the North Carolina
    State Board of Elections; STELLA ANDERSON, in her official capacity as
    Secretary of the North Carolina State Board of Elections; JEFF CARMON III, in
    his official capacity as Member of the North Carolina State Board of Elections;
    STACY EGGERS IV, in his official capacity as Member of the North Carolina State
    Board of Elections; TOMMY TUCKER, in his official capacity as Member of the
    North Carolina State Board of Elections; and KAREN BRINSON BELL, in her
    official capacity as Executive Director of the North Carolina State Board of
    Elections
    Appeal pursuant to N.C.G.S. § 7A-27(b)(1) from the unanimous decision of a
    three-judge panel entered on 23 February 2022 in the Superior Court, Wake County,
    approving Legislative Defendants’ Remedial House and Senate Plans, rejecting their
    Remedial Congressional Plan, and adopting a Modified Remedial Congressional Plan.
    Heard in the Historic 1767 Chowan County Courthouse on 4 October 2022.
    Patterson Harkavy LLP, by Burton Craige, Narendra K. Ghosh, and Paul E.
    Smith; Elias Law Group LLP, by Lalitha D. Madduri, Jacob D. Shelly, Graham
    W. White, and Abha Khanna; and Arnold & Porter Kaye Scholer LLP, by
    Elisabeth S. Theodore, R. Stanton Jones, and Samuel F. Callahan, for Harper
    Plaintiffs.
    Robinson, Bradshaw & Hinson, P.A., by John R. Wester, Adam K. Doerr,
    Stephen D. Feldman, and Erik R. Zimmerman; and Jenner & Block LLP, by
    Sam Hirsch, Jessica Ring Amunson, Karthik K. Reddy, and Urja Mittal, for
    Plaintiff North Carolina League of Conservation Voters.
    Southern Coalition for Social Justice, by Allison J. Riggs, Hilary H. Klein,
    Mitchell Brown, Katelin Kaiser, Jeffrey Loperfido, and Noor Taj; and Hogel
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    Opinion of the Court
    Lovells US LLP, by J. Tom Boer and Olivia T. Molodanof, for Plaintiff Common
    Cause.
    Nelson Mullins Riley & Scarborough LLP, by Phillip J. Strach, Thomas A.
    Farr, John Branch, and Alyssa M. Riggins; and Baker & Hostetler LLP, by E.
    Mark Braden and Katherine L. McKnight, for Legislative Defendants.
    North Carolina Department of Justice, by Amar Majmundar, Senior Deputy
    Attorney General, Terence Steed, Special Deputy Attorney General, Mary Carla
    Babb, Special Deputy Attorney General, and Stephanie Brennan, Special
    Deputy Attorney General, for State Defendants.
    HUDSON, Justice.
    ¶1         The foundational democratic principles of equality and popular sovereignty
    enshrined in our Constitution’s Declaration of Rights vest in the people of this state
    the fundamental right to vote on equal terms. N.C. Const. art. I, §§ 1 (equality and
    rights of persons), 2 (sovereignty of the people), 10 (free elections), 12 (freedom of
    assembly), 14 (freedom of speech), 19 (equal protection of the laws); see Harper v.
    Hall, 
    380 N.C. 317
    , 2022-NCSC-17, ¶ 158–59 (summarizing these principles and
    rights). This fundamental right “encompasses the opportunity to aggregate one’s vote
    with likeminded citizens to elect a governing majority of elected officials who reflect
    those citizens’ views.” Harper, ¶ 160. Put differently, it requires that “voters of all
    political parties [have] substantially equal opportunity to translate votes into seats.”
    Id. ¶ 163. Therefore, when a districting plan systematically makes it harder for
    individuals of one political party to elect a governing majority than individuals of
    another party of equal size based upon that partisanship, it deprives a voter of his or
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    Opinion of the Court
    her fundamental right to equal voting power. Id. “[S]uch a plan is subject to strict
    scrutiny and is unconstitutional unless the General Assembly can demonstrate that
    the plan is ‘narrowly tailored to advance a compelling governmental interest.’ ” Id. ¶
    161 (citing Stephenson v. Bartlett, 
    355 N.C. 354
    , 377 (2002)).
    ¶2         In accordance with these principles, on 4 February 2022, this Court struck
    down the General Assembly’s 2021 Congressional Map, State Senate Map, and State
    House Map as unconstitutional partisan gerrymanders that failed strict scrutiny. See
    generally Harper, 2022-NCSC-17. In doing so, we noted a few potential statistical
    measures that could be used by the General Assembly and reviewing courts in
    determining whether redistricting plans demonstrate “a significant likelihood . . . [of]
    giv[ing] the voters of all political parties substantially equal opportunity to translate
    votes into seats across the plan.” Id. ¶ 163. However, we expressly declined to
    “identify an exhaustive set of metrics or precise mathematical thresholds which
    conclusively demonstrate or disprove the existence of an unconstitutional partisan
    gerrymander.” Id. Rather than relying on certain measures dispositively, we
    emphasized that ultimately “[w]hat matters here . . . is that each voter’s vote carries
    roughly the same weight when drawing a redistricting plan that translates votes into
    seats in a legislative body.” Id. 169.
    ¶3         This was neither accident nor oversight. An individual statistical measure
    standing alone, though helpful, is not dispositive of constitutional compliance.
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    Rather, it constitutes one datapoint within a broader constellation of principles that
    a court may consider in reaching its ultimate constitutional determination: whether
    the proposed maps uphold or violate the fundamental right of all voters to vote on
    equal terms. Id. ¶¶ 163–69.
    ¶4         After determining that the 2021 Maps failed strict scrutiny, this Court gave
    the General Assembly the opportunity to submit remedial maps in accordance with
    N.C.G.S. § 120-2.4(a). Id. ¶ 178. We remanded the case to the trial court to oversee
    and assess the constitutionality of those remedial maps. Id. ¶ 223.
    ¶5         On 23 February 2022, the trial court issued its remedial order assessing the
    General Assembly’s remedial maps. Therein, the trial court rejected the General
    Assembly’s Remedial Congressional Plan but approved its Remedial House Plan and
    Remedial Senate Plan. The parties appealed each of these rulings to this Court.
    ¶6         Now, this Court must review the alignment of the trial court’s remedial order
    with the foundational principles established in Harper. We determine that the trial
    court properly concluded that the Remedial Congressional Plan fell short of
    constitutional standards and that the Remedial House Plan met constitutional
    standards. These conclusions of law were supported by adequate factual findings,
    which were in turn supported by competent evidence. However, we hold that the trial
    court erred in its approval of the Remedial Senate Plan. Unlike the trial court’s
    conclusions regarding the other plans, the trial court’s conclusion of law regarding
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    Opinion of the Court
    the Remedial Senate Plan lacked adequate factual findings supported by competent
    evidence. Indeed, the evidence dictates the opposite finding and conclusion.
    Therefore, we affirm the trial court’s rejection of the Remedial Congressional Plan,
    affirm the trial court’s approval of the Remedial House Plan, and reverse the trial
    court’s approval of the Remedial Senate Plan.
    ¶7          In accordance N.C.G.S. § 120-2.4(a1), we now remand this case to the trial
    court to oversee the creation and adoption of a Modified Remedial Senate Plan that
    modifies Legislative Defendants’ Remedial Senate Plan only to the extent necessary
    to achieve constitutional compliance. See N.C.G.S. § 120-2.4(a1) (2021).
    ¶8          In so doing, we expressly and emphatically reaffirm the fundamental right of
    citizens to vote on equal terms enshrined within our Constitution’s Declaration of
    Rights, and this Court’s constitutional responsibility and authority to assess
    legislative compliance therewith. See Corum v. Univ. of N.C., 
    330 N.C. 761
    , 783 (1992)
    (“It is the state judiciary that has the responsibility to protect the state constitutional
    rights of the citizens; this obligation to protect the fundamental rights of individuals
    is as old as the State.”). These principles are—and must remain—the enduring
    bedrock of our sacred system of democratic governance, and may be neither
    subordinated nor subverted for the sake of passing political expediency.
    I.    Factual and Procedural Background
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    ¶9           A complete factual and procedural background of the liability phase of this
    litigation can be found in Harper, ¶¶ 12–93. Here, we briefly restate that background
    and summarize the subsequent remedial proceedings leading to the present appeal.
    A. Liability Phase: 2021 Maps and Harper I
    ¶ 10         Every ten years, following the national census, the General Assembly is tasked
    with redrawing North Carolina’s congressional and state legislative districts. See
    U.S. Const. art. I, § 4; N.C. Const. art. II, §§ 3, 5. Accordingly, on 4 November 2021,
    the General Assembly enacted new maps for North Carolina’s congressional districts
    and state House of Representatives and Senate districts (2021 Maps). S.L. 2021-174,
    S.L. 2021-175, S.L. 2021-173; see Harper, 2022-NCSC-17, ¶¶ 14–18 (describing the
    2021 redistricting process).
    ¶ 11         On 16 and 18 November 2021, NCLCV Plaintiffs1 and Harper Plaintiffs2
    respectively filed complaints against Legislative Defendants challenging the
    constitutionality of the 2021 Maps under the North Carolina Constitution.
    1  NCLCV Plaintiffs include the North Carolina League of Conservation Voters, Inc.,
    Henry M. Michaux Jr., Dandrielle Lewis, Timothy Chartier, Talia Fernos, Katherine
    Newhall, R. Jason Parsley, Edna Scott, Roberta Scott, Yvette Roberts, Jereann King Johnson,
    Reverend Reginal Wells, Yarbrough Williams Jr., Reverend Deloris L. Jerman, Viola Ryals
    Figueroa, and Cosmos George.
    2 Harper Plaintiffs include Rebecca Harper, Amy Clare Oseroff, Donald Rumph, John
    Anthony Balla, Richard R. Crews, Lily Nicole Quick, Gettys Cohen Jr., Shawn Rush, Mark
    S. Peters, Kathleen Barnes, Virginia Walters Brien, Eileen Stephens, Barbara Proffitt, Mary
    Elizabeth Voss, Chenita Barber Johnson, Sarah Taber, Joshua Perry Brown, Laureen Floor,
    Donald M. MacKinnon, Ron Osborne, Ann Butzner, Sondra Stein, Bobby Jones, Kristiann
    Herring, and David Dwight Brown.
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    Opinion of the Court
    Specifically, Plaintiffs asserted that the 2021 Maps engaged in extreme partisan
    gerrymandering and racial vote dilution in violation of the Free Elections Clause, art.
    I, § 10, the Equal Protection Clause, art. I, § 19, and the Freedom of Speech and
    Assembly Clauses, art. I, §§ 12, 14. Plaintiffs sought a declaratory judgment, a
    permanent injunction against the use of the 2021 Maps, and the creation and
    implementation of new, constitutionally compliant maps.
    ¶ 12          Plaintiffs’ cases were consolidated and assigned to a three-judge panel of the
    Superior Court, Wake County, pursuant to N.C.G.S. § 1-267.1 and Rule 42 of the
    North Carolina Rules of Civil Procedure.3 On 15 December 2021, the trial court
    granted Plaintiff Common Cause’s motion to intervene in the consolidated case. In
    response to Plaintiffs’ claims, Legislative Defendants asserted, inter alia, that the
    only limitations on redistricting legislation are those expressly found in article II,
    sections 2, 3, 4, and 5 of the North Carolina Constitution, and that Plaintiffs’ claims
    were nonjusticiable.
    ¶ 13          From late December 2021 to early January 2022, the trial court conducted an
    expedited and extensive discovery and trial process. Plaintiffs and Legislative
    Defendants submitted evidence from several expert witnesses and accompanying
    reports regarding the 2021 Maps.
    3 We take a moment of privilege to express the Court’s gratitude to the panel for their
    diligent service to the state in this case: Judge A. Graham Shirley, Judge Nathaniel J.
    Poovey, and Judge Dawn M. Layton.
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    ¶ 14         On 11 January 2022, the trial court issued its final judgment. Therein, the trial
    court found that all three of the 2021 Maps indeed constituted extreme partisan
    outliers that were the product of intentional, pro-Republican redistricting at the
    subordination of traditional, neutral redistricting principles. However, the trial court
    concluded that claims of partisan gerrymandering present purely political questions
    that are nonjusticiable under the North Carolina Constitution. Accordingly, the trial
    court held that the 2021 Maps were not unconstitutional and denied Plaintiffs’
    requests for declaratory and injunctive relief. Plaintiffs appealed to this Court from
    the trial court’s judgment.
    ¶ 15         In February 2022, this Court reversed.4 Harper, ¶ 223. The Court concluded
    that partisan gerrymandering claims are justiciable under the North Carolina
    Constitution, that our Constitution’s Declaration of Rights enshrines the
    fundamental right to vote on equal terms, and that the 2021 Maps violated that right.
    Id. ¶¶ 7, 94.
    ¶ 16         First, the Court addressed Plaintiffs’ standing. Id. ¶ 95. The Court noted that
    in accordance with Committee to Elect Dan Forest v. Employees Political Action
    Committee, 
    376 N.C. 558
    , 2021-NCSC-6, “direct constitutional challenges to statutes
    or other acts of government . . . require only the requisite concrete adverseness which
    4 On 4 February 2022, the Court issued a preliminary order. On 14 February 2022,
    the Court issued its subsequent full opinion.
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    sharpens the presentation of issues upon which the court so largely depends for
    illumination of difficult constitutional questions.” Harper, ¶ 96 (cleaned up). Here,
    the Court determined that the parties’ allegations of the violation of their legal rights,
    even if widely shared with others, were sufficient to show such concrete adverseness.
    
    Id.
     The Court thus concluded that each individual and organizational plaintiff met
    the requirements for legal standing under our Constitution. Id. ¶ 99.
    ¶ 17         Second, the Court addressed justiciability. Id. ¶ 100. The Court noted that
    “simply because the Supreme Court [of the United States] has concluded partisan
    gerrymandering claims are nonjusticiable in federal courts, it does not follow that
    they are nonjusticiable in North Carolina courts.” Id. ¶ 110 (emphasis added) (citing
    Rucho v. Common Cause, 
    139 S. Ct. 2484
    , 2507 (2019)). Further, “the mere fact that
    responsibility for reapportionment is committed to the General Assembly does not
    mean that the General Assembly’s decisions in carrying out its responsibility are fully
    immunized from any judicial review.” Id. ¶ 115. Rather, the General Assembly’s
    reapportionment power is subject to constitutional limitations, including compliance
    with the fundamental rights enshrined in the Declaration of Rights. Id. ¶ 119.
    ¶ 18         Then, the Court considered whether partisan gerrymandering violates those
    rights. Id. ¶ 121. After surveying the history of our Declaration of Rights generally,
    id. ¶¶ 122–32, the Court considered each pertinent clause in turn. First, the Court
    concluded that partisan gerrymandering “is cognizable under the free elections clause
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    Opinion of the Court
    because it can prevent elections from reflecting the will of the people impartially and
    . . . diminish[ ] or dilut[e] voting power on the basis of partisan affiliation.” Id. ¶ 141;
    N.C. Const. art. I, § 10. Second, the Court concluded that partisan gerrymandering is
    cognizable under the equal protection clause because it “diminishes or dilutes a
    voter’s opportunity to aggregate with likeminded voters to elect a governing
    majority[,]” thus “infring[ing] upon that voter’s fundamental rights to vote on equal
    terms and to substantially equal voting power.” Id. ¶ 150; N.C. Const. art. I, § 19.
    Third, the Court concluded that partisan gerrymandering is cognizable under the free
    speech and freedom of assembly clauses because it imposes a burden on the
    fundamental right to equal voting power based on political viewpoint. Id. ¶ 157.
    ¶ 19          The Court summarized the intersection of the Declaration of Rights and
    partisan gerrymandering, emphasizing that together, the fundamental principles of
    equality and popular sovereignty “reflect the democratic theory of our constitutional
    system: the principle of political equality.” Id. ¶ 158. In order to realize this principle,
    the channeling of “political power” from the people to their
    representatives in government through the democratic
    processes envisioned by our constitutional system must be
    done on equal terms. If through state action the ruling
    party chokes off the channels of political change on an
    unequal basis, then government ceases to “derive[ ]” its
    power from the people or to be “founded upon their will
    only,” and the principle of political equality that is
    fundamental to our Declaration of Rights and our
    constitutionally enacted represented system of government
    is violated.
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    Id. Accordingly, “[t]o comply with the constitutional limitations contained in the
    Declaration of Rights which are applicable to redistricting plans, the General
    Assembly must not diminish or dilute on the basis of partisan affiliation any
    individual’s vote.” Id. ¶ 160. Therefore, “when a districting plan systematically makes
    it harder for individuals [of one party] to elect a governing majority than individuals
    in a favored party of equal size[,] the General Assembly deprives on the basis of
    partisan affiliation a voter of his or her right to equal voting power.” Id. “[S]uch a
    plan is subject to strict scrutiny and is unconstitutional unless the General Assembly
    can demonstrate that the plan is narrowly tailored to advance a compelling
    governmental interest.” Id. ¶ 161 (cleaned up).
    ¶ 20         The Court also noted various ways to measure partisan vote dilution. The
    Court explained that partisan vote dilution
    can be measured either by comparing the number of
    representatives that a group of voters of one partisan
    affiliation can plausibly elect with the number of
    representatives that a group of voters of the same size of
    another partisan affiliation can plausibly elect, or by
    comparing the relative chances of voters from each party
    electing a supermajority or majority of representatives
    under various possible electoral conditions.
    Id. However, the Court did “not believe it prudent or necessary to . . . identify an
    exhaustive list of metrics or precise mathematical thresholds which conclusively
    demonstrate or disprove the existence of an unconstitutional partisan gerrymander.”
    Id. ¶ 163 Rather, the Court observed that
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    as the trial court’s findings of fact indicate[d], there are
    multiple reliable ways of demonstrating the existence of an
    unconstitutional partisan gerrymander. In particular,
    mean-median difference analysis; efficiency gap analysis;
    close-votes, close-seats analysis; and partisan symmetry
    analysis may be useful in assessing whether the mapmaker
    adhered to traditional neutral districting criteria and
    whether a meaningful partisan skew necessarily results
    from North Carolina’s unique political geography. If some
    combination of these metrics demonstrates there is a
    significant likelihood that the districting plan will give the
    voters of all political parties substantially equal
    opportunity to translate votes into seats across the plan,
    then the plan is presumptively constitutional.
    Id. While the Court identified “a mean-median difference of 1% or less” and an
    efficiency gap of 7% or less as potential “threshold[s] [for] a presumption of
    constitutionality . . . absent other evidence,” we emphasized that ultimately “[w]hat
    matters here, as in the one-person, one-vote context, is that each voter’s vote carries
    roughly the same weight when drawing a redistricting plan that translates votes into
    seats in a legislative body.” Id. ¶¶ 166, 167, 169.
    ¶ 21         The Court then held that “[o]nce a plaintiff shows that a map infringes on their
    fundamental right to equal voting power . . . or that it imposes a burden on that right
    based on their views[,] . . . the map is subject to strict scrutiny and is presumptively
    unconstitutional.” Id. ¶ 170. At that point, the government must demonstrate that
    the plan is nevertheless necessary to promote a compelling governmental interest. Id.
    ¶ 22         The Court then applied this constitutional standard to the 2021 Maps. Id. ¶¶
    178–213. Based on the trial court’s extensive factual findings, the Court determined
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    that all three of the 2021 Maps constituted partisan gerrymanders in violation of the
    North Carolina Constitution’s Declaration of Rights. Id. Because Legislative
    Defendants failed to show that the 2021 Maps were nevertheless narrowly tailored to
    a compelling governmental interest, the Court concluded that each of the plans failed
    strict scrutiny. Id. ¶¶ 195 (Congressional Map), 205 (State House Map), 213 (State
    Senate Map).
    ¶ 23         Finally, the Court addressed the General Assembly’s compliance with
    Stephenson requirements regarding racially polarized voting. Id. ¶¶ 214–16. The
    Court concluded that compliance with article I, sections 3 and 5, and article II,
    sections 3 and 5 of our Constitution “requires the General Assembly to conduct
    racially polarized voting analysis within their decennial redistricting process in order
    to assess whether any steps must be taken to avoid the dilution of minority voting
    strength.” Id. ¶ 216.
    ¶ 24         In compliance with N.C.G.S. § 120-2.4(a), the Court then remanded the case to
    the trial court “to oversee the redrawing of the maps by the General Assembly or, if
    necessary, by the court.” Id. ¶ 223. In so doing, the Court ordered that “the General
    Assembly shall now have the opportunity to submit new congressional and state
    legislative districting plans that satisfy all provisions of the North Carolina
    Constitution.” Id. The Court concluded by noting its “sincere hope . . . that these new
    maps ensure that the channeling of ‘political power’ from the people to their
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    representatives in government through elections . . . is done on equal terms so that
    ours is a ‘government of right’ that ‘originates from the people’ and speaks with their
    voice.” Id.
    B. Remedial Phase: Remedial Plans and Trial Court’s Remedial Order
    ¶ 25          Thus began the remedial phase of this case. On 16 February 2022, the trial
    court issued an order appointing three former North Carolina jurists—Justice Robert
    F. Orr (ret.), Justice Robert H. Edmunds Jr. (ret.), and Judge Thomas W. Ross (ret.)—
    to serve as Special Masters.5 The Special Masters’ task was twofold. First, they
    assisted the trial court in reviewing the parties’ proposed remedial plans via a written
    report. Second, they were to assist the trial court in developing an alternative,
    constitutionally compliant remedial plan in the event that the General Assembly’s
    proposed remedial plan fell short.
    ¶ 26          To assist in these tasks, the Special Masters were authorized to hire advisors
    (Special Masters’ Advisors). They hired Dr. Bernard Grofman, Dr. Tyler Jarvis, Dr.
    Eric McGhee, and Dr. Samuel Wang.
    ¶ 27          On 18 February 2022, Legislative Defendants timely submitted their Remedial
    Plans to the trial court. These included the Remedial Congressional Plan (RCP),
    Remedial House Plan (RHP), and Remedial Senate Plan (RSP).
    5 We take a moment of privilege to express the Court’s gratitude to the Special Masters
    for their diligent service to the state in this case.
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    ¶ 28         On 21 February 2022, Legislative Defendants filed a motion to disqualify two
    of the Special Masters’ Advisors, Dr. Wang and Dr. Jarvis, because they had engaged
    in prohibited ex parte communications with Plaintiffs’ experts.
    ¶ 29         On 21 February 2022, Plaintiffs timely submitted their comments and
    objections to Legislative Defendants’ Remedial Plans. NCLCV Plaintiffs objected to
    the RCP and RSP. NCLCV Plaintiffs did not specifically object to the RHP, but
    instead requested that the trial court conduct its own analysis of the RHP. Harper
    Plaintiffs objected to the RCP and RSP but did not object to the RHP. Plaintiff
    Common Cause generally objected to all three Remedial Plans, and specifically
    contended that House District 10 of the RHP and Senate District 4 of the RSP must
    be redrawn.
    ¶ 30         Thereafter, the Special Masters’ Advisors submitted their analysis of each of
    the proposed remedial plans. Because this analysis served as the foundational
    evidence for the Special Masters’ and trial court’s subsequent findings of fact, we
    briefly summarize this evidence here.
    ¶ 31         RCP Analysis. Dr. Grofman determined that the RCP “creates a distribution
    of voting strength across districts that is very lopsidedly Republican.” He determined
    that “[b]ecause they all point in the same direction, the political effects statistical
    indicators of partisan gerrymandering strongly suggest the conclusion that this
    congressional map should be viewed as a pro-Republican gerrymander.” He
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    determined that the RCP yielded an efficiency gap of 6.37% but noted that that this
    was “not . . . proof that there is no vote dilution” because, based on other measures,
    “legislative map drawers have apparently sought to draw a congressional map that
    just narrowly pass[es] a supposed threshold test for partisan gerrymandering.”
    ¶ 32         Dr. McGhee determined that the RCP yielded an efficiency gap of 6.4%, a
    mean-median difference of 1.1%, a partisan asymmetry of 4.9%, and a declination
    metric of 0.14, all favoring Republicans. He noted that “[t]he values with incumbency
    factored in all lean more Republican . . . , and this incumbency effect is greater than
    it was in the [2021] enacted plan.” Relatively, he noted that while the RCP shows
    improvement from the 2021 enacted plan on several measures of partisan symmetry,
    it is “clearly worse” than the remedial congressional plans proposed by Plaintiffs.
    ¶ 33         Dr. Wang determined that the RCP yields an average efficiency gap of 6.8%
    and an average mean-median difference of 1.2%, both favoring Republicans. He
    determined that in nine out of ten sample elections, “Republicans won more seats
    than the Democrats with the same vote share.” “Averaging across all 10 elections, the
    advantage was 1.7 more seats for Republicans, or 12% of the 14-seat Congressional
    delegation.”
    ¶ 34         Finally, Dr. Jarvis determined that the RCP “consistently favors Republicans”
    across all applicable measures. He determined that the RCP yields an efficiency gap
    of 8.8%, a mean-median difference of 0.9%, a partisan bias of 5.2%, and a declination
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    metric of 11.6%, all favoring Republicans.
    ¶ 35         RHP Analysis. Dr. Grofman determined that although the RHP “creates a
    distribution of voting strength across districts that is very lopsidedly Republican,” it
    “is genuinely far more competitive than either of the other two legislatively proposed
    maps.” He observed that under the RHP, “unlike the other maps, the Democrats do
    not have to win all of the competitive seats to win a majority in the House. Moreover,
    unlike the [RCP and RSP], . . . the competitive seats [in the RHP] are substantially
    Democrat in directionality.” He further noted that
    quit[e] important in judging the constitutionality of this
    map in the full context are the facts that: (a) the Harper
    plaintiffs have not chosen to offer an alternative [RHP] but
    are apparently content to see the legislative map
    implemented by the Court, (b) the map was passed by a
    clear bipartisan consensus in the legislature, including
    members of the legislature who belong to particular
    minority communities, and (c) that while it still is further
    from being non-dilutive than the NCLCV [RHP]
    alternative, it is far closer to Plaintiffs’ map than it is to
    the rejected [2021] enacted NC House map.
    He determined that while the RHP’s efficiency gap “remains in a pro-Republican
    direction,” it is “at the low level of 2.72[%].”In considering “the totality of the
    circumstances . . . and recognizing that this map is still not ideal (nor need it be),” he
    concluded that the RHP “simply lacks the same clear indicia of egregious bias found
    in the previously rejected maps and still found . . . in the [RCP] and [RSP].”
    ¶ 36         Dr. McGhee likewise determined that the RHP “still favors Republicans when
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    all seats are open, but substantially less [than the 2021 congressional map].” He
    determined that the RHP yields an efficiency gap of 3.0%, a mean-median difference
    of 1.4%, a partisan asymmetry of 2.9%, and a declination metric of 0.16, all favoring
    Republicans. Dr. McGhee concluded that the RHP “still favors Republicans: the party
    would likely hold about 64 of 120 seats with half the vote, and it would take the
    Democrats somewhere close to 52% of the vote to bring that number down to 60.”
    Relatively, he determined that the RHP “is very similar to” NCLCV Plaintiffs’
    proposed remedial house map on metrics of partisan symmetry, that it “do[es] a
    reasonably good job of respecting traditional geographic principles,” and that it
    reflects “very similar compactness” as Plaintiffs’ proposed remedial House map. He
    concluded that the RHP’s partisan symmetry is “closer [to NCLCV’s proposed
    remedial plan] than was the case for either the [RSP] or the [RCP],” noting that the
    NCLCV Plaintiffs’ plan is only “a little better.” He concluded that this “relatively
    marginal improvement hints that it may be difficult to do better while still abiding
    by other constraints.”
    ¶ 37         Dr. Wang determined that the RHP favors Republicans in all six metrics
    evaluated: seat partisan asymmetry, mean-median difference, partisan bias, lopsided
    wins, declination angle, and efficiency gap. Specifically, he determined that the RHP
    yielded an efficiency gap of 3.1%, a mean-median difference of 0.9%, a partisan
    asymmetry of 7.2 seats, and a declination angle of 4.5 degrees.
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    Opinion of the Court
    ¶ 38         Finally, Dr. Jarvis determined that the RHP “appear[s] to be mostly typical in
    terms of the number of seats won.” He determined that the RHP yields an efficiency
    gap of 2.7%, a mean-median difference of 1.5%, an average partisan bias of 2.7%, and
    a declination metric of 5.7%.
    ¶ 39         RSP Analysis. Dr. Grofman determined that the RSP “creates a distribution
    of voting strength across districts that is very lopsidedly Republican.” He determined
    the RSP’s vote bias indicates “a substantial pro-Republican bias” in which a statewide
    majority of Republican voters would be able to win a majority of the seats while “only
    a win by considerably more than 50% of the statewide vote can yield the Democrats
    a majority of the seats.” He determined that “[b]ecause they all point in the same
    direction, the political effects statistical indicators of partisan gerrymandering argue
    for the conclusion that th[e] [RSP] should be viewed as a pro-Republican
    gerrymander.” He concluded that “the dilutive effects of th[e] RSP] . . . are still . . .
    quite substantial.”
    ¶ 40         Dr. McGhee determined that the RSP “still favors Republicans when all seats
    are open.” He concluded that the RSP yields an efficiency gap of 4.8%, a mean-median
    difference of 2.2%, a partisan asymmetry of 4.8%, and a declination metric of 0.20, all
    favoring Republicans. He observed that “[t]he [efficiency gap] value now clearly falls
    below the commonly identified threshold of 7%, though the [mean-median difference]
    value falls well above the 1% number cited by Legislative Defendants.” He
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    Opinion of the Court
    determined that “[a]ll the metric values for both the open seat and incumbency
    scenarios are more than 50% likely to favor Republicans throughout the decade.” He
    concluded that
    the [mean-median difference] and [partisan symmetry]
    metrics, which are more relevant for a state legislative plan
    because they connect directly to control of the chamber,
    suggest that in a tied election Republicans would still hold
    27 or 28 [of 50 total] seats, and that Democrats would need
    to win as much as 53 percent of the vote to claim 25 seats.
    The odds are about three to one that Republicans would
    maintain this advantage throughout the decade.
    Relatively, Dr. McGhee observed that the Republican advantage within Plaintiffs’
    proposed RSP “is often less than half the size of the same advantage in the Legislative
    Defendants’ [RSP].” “This suggests that there is nothing foreordained about the
    advantages in the Legislative Defendants’ plan.”
    ¶ 41         Dr. Wang determined that the RSP favors Republicans in all six metrics
    evaluated: seat partisan asymmetry, mean-median difference, partisan bias, lopsided
    wins, declination angle, and efficiency gap. Specifically, he determined that the RSP
    yields an efficiency gap of 2.2%, a mean-median difference of 0.8%, and an average
    partisan asymmetry of 2.1 seats, all favoring Republicans.
    ¶ 42         Finally, Dr. Jarvis determined that analysis of the RSP reveals that it “is often
    a significant outlier in favor of the Republicans.” He determined that the RSP yields
    an efficiency gap of 4.0%, a mean-median difference of 1.4%, an average partisan bias
    of 4.0%, and a declination metric of 7.0%.
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    ¶ 43         Based upon this evidence, the Special Masters submitted their report to the
    trial court on 23 February 2022 (Special Masters’ Report). As an initial matter, the
    Special Masters addressed Legislative Defendants’ motion to disqualify Drs. Wang
    and Jarvis. While the Special Masters “acknowledge[d] the technical breach of th[e]
    [c]ourt’s mandate that no ex parte communication occur between parties and non-
    parties,” they “respectfully recommend[ed] that the [c]ourt deny the motion.” Denial
    was proper, the Special Masters contended, because: (1) the communications were not
    made in bad faith; (2) the communications were solely for the purpose of proceeding
    as quickly as possible; (3) the information sought was all publicly available; and (4)
    the analysis provided by Drs. Wang and Jarvis, though helpful, was not
    determinative in any of the Special Masters’ recommendations.
    ¶ 44         Next, the Special Masters recommended that the trial court approve the RHP
    and RSP but reject the RCP.
    ¶ 45         Regarding the RHP, the Special Masters’ Report stated as follows:
    The advisors as well as the experts of the parties (“experts”)
    all found the efficiency gap of the proposed [RHP] to be less
    than 7%. The majority of the advisors and experts found
    the mean-median difference of the proposed [RHP] to be
    less than 1%. In addition to these facts, the Special Masters
    considered the findings of the advisors on the partisan
    symmetry analysis, the declination metrics, and their
    opinions on partisan bias and evidence of partisan
    gerrymandering. Considering all of this information as
    well as the totality of the circumstances, the Special
    Masters conclude under the metrics identified by the North
    Carolina Supreme Court that the proposed [RHP] meets
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    the test of presumptive constitutionality. Further the
    Special Masters did not find substantial evidence to
    overcome the presumption of constitutionality and
    recommend to the trial court that it give appropriate
    deference to the General Assembly and uphold the
    constitutionality of the [RHP].
    ¶ 46   Similarly, regarding the RSP, the Special Masters’ Report stated as follows:
    All of advisors and experts found the efficiency gap of the
    proposed [RSP] to be less than 7%. The majority of the
    advisors and experts found the mean-median difference of
    the proposed [RSP] to be less than 1%. In addition to these
    facts, the Special Masters considered the findings of the
    advisors on the partisan symmetry analysis, the
    declination metrics, and their opinions on partisan bias
    and evidence of partisan gerrymandering. Considering all
    of this information as well as the totality of the
    circumstances, the Special Masters conclude under the
    metrics identified by the North Carolina Supreme Court
    [that] the [RSP] meets the test of presumptive
    constitutionality. Further the Special Masters did not find
    substantial evidence to overcome the presumption of
    constitutionality and recommend to the trial court that it
    give appropriate deference to the General Assembly and
    uphold the constitutionality of the [RSP].
    ¶ 47   Regarding the RCP, however, the Special Masters’ Report stated as follows:
    Unlike the proposed [RHP] and [RSP], there is substantial
    evidence from the findings of the advisors that the
    proposed congressional plan has an efficiency gap above 7%
    and a mean-median difference of greater than 1%. The
    Special Masters considered this evidence along with the
    advisors’ findings on the partisan symmetry analysis and
    the declination metrics. There is disagreement among the
    parties as to whether the proposed [RCP] meets the
    presumptively constitutional thresholds suggested by the
    Supreme Court. The Special Masters, considering the
    reports of their advisors and the experts of the parties
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    Opinion of the Court
    while giving appropriate deference to the General
    Assembly, are of the opinion that the proposed [RCP] fails
    to meet the threshold of constitutionality and recommend
    that the [t]rial [c]ourt reject the proposed [RCP] as being
    unconstitutional.
    ¶ 48         As instructed, the Special Masters therefore submitted to the trial court “a
    modified version of the proposed [RCP] submitted by Legislative Defendants.”
    (Modified RCP). The Report stated that “[i]t is [the Special Masters’] opinion that the
    [Modified RCP] satisfies the requirements of the Supreme Court.” Specifically, the
    Special Masters noted that because
    the Constitution of North Carolina provides that the
    General Assembly has the responsibility of redistricting,
    [they] focused on the [RCP] submitted by the Legislative
    Defendants. On that basis, the Special Masters worked
    solely with [Advisor] Dr. Bernard Grofman and his
    assistant to amend the Legislative Defendants’ plan to
    enhance its consistency with the opinion of the Supreme
    Court of North Carolina, the Constitutions of the United
    States and of North Carolina, and the expressed will of the
    General Assembly.
    The Special Masters then determined that
    the [M]odified [RCP] recommended for adoption to the
    [t]rial [c]ourt achieves the partisan fairness and
    “substantially equal voting power” required by the
    Supreme Court of North Carolina without diluting votes
    under the Voting Rights Act while maintaining the number
    of county splits, retaining equal populations, compactness,
    and contiguity, as well as respecting municipal boundaries.
    Dr. Grofman’s analysis of the [M]odified [RCP]
    recommended by the Special Masters indicates that the
    plan has an efficiency gap of 0.63%, a mean-median
    difference of 0.69%, seat bias of 0.28%, and vote bias of
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    Opinion of the Court
    0.10%. According to Dr. Grofman, “this is the most non-
    dilutive plan in partisan terms of any map that has been
    submitted to the [c]ourt.”
    Accordingly, the Special Masters recommend[ed] to the
    [t]rial [c]ourt that it order the State of North Carolina to
    utilize the [M]odified [RCP] prepared by the Special
    Masters in the 2022 Congressional election.
    ¶ 49         On 23 February 2022, the trial court issued its subsequent remedial order. In
    alignment with the recommendations of the Special Masters, the trial court approved
    Legislative Defendants’ RHP and RSP but rejected their RCP and implemented the
    Special Masters’ Modified RCP.
    ¶ 50         First, the trial court summarized the General Assembly’s remedial process.
    The trial court noted that in addition to the traditional neutral redistricting criteria
    considered in the creation of the 2021 Maps, the General Assembly intentionally used
    partisan election data in the creation of the Remedial Plans in compliance with this
    Court’s remedial order. The trial court further noted that “[t]he General Assembly
    conducted an abbreviated racially polarized voting (“RPV”) analysis to determine
    whether racially polarized voting is legally sufficient in any area of the state such
    that Section 2 of the Voting Rights Act requires the drawing of a district to avoid
    diluting the voting strength of African American voters during the remedial process.”
    The trial court subsequently found “that the General Assembly satisfied the directive
    in the Supreme Court Remedial Order to determine whether the drawing of a district
    in an area of the state is required to comply with Section 2 of the Voting Rights Act.”
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    ¶ 51         The trial court then summarized the Special Masters’ Report. The trial court
    found that while “[t]he Special Masters’ findings demonstrate that the [RHP] and
    [RSP] meet the requirements of the Supreme Court’s Remedial Order and full
    opinion[,] . . . [t]he Special Masters’ findings demonstrate that the [RCP] does not
    meet [those] requirements.” The trial court then “adopt[ed] in full the findings of the
    Special Masters.”
    ¶ 52         The   trial court went on to review each of Legislative Defendants’ Remedial
    Plans. First, the court assessed the RCP. The trial court observed that the RCP
    passed both chambers of the General Assembly by a strict party-line vote, with
    Republicans voting for and Democrats voting against. Assessing the partisanship of
    the RCP, the trial court observed that “[t]he Supreme Court Remedial Order stated
    that a combination of different methods could be used to evaluate the partisan
    fairness of a districting plan; of those methods, the General Assembly used the ‘mean-
    median’ test and the ‘efficiency gap’ test to analyze the partisan fairness of the
    Remedial Plans.” The trial court then found, based upon “the analysis performed by
    the Special Masters and their advisors, that the [RCP] is not satisfactorily within the
    statistical ranges set forth in the Supreme Court’s full opinion. See Harper v. Hall,
    2022-NCSC-17, ¶ 166 (mean-median difference of 1% or less) and ¶ 167 (efficiency
    gap less than 7%).” The trial court further determined “that the partisan skew in the
    [RCP] is not explained by the political geography of North Carolina.”
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    ¶ 53         Second, the trial court addressed the RSP. The court noted that the plan passed
    both chambers of the General Assembly by a strict party-line vote, with Republicans
    voting for and Democrats voting against. The court subsequently found, based upon
    “the analysis performed by the Special Masters and their advisors, that the [RSP] is
    satisfactorily within the statistical ranges set forth in the Supreme Court’s full
    opinion. See Harper v. Hall, 2022-NCSC-17, ¶ 166 (mean-median difference of 1% or
    less) and ¶ 167 (efficiency gap less than 7%).” The court found that “to the extent
    there remains a partisan skew in the [RSP], that partisan skew is explained by the
    political geography of North Carolina.” The court determined that “the measures
    taken by the General Assembly for the purposes of incumbency protection in the
    [RSP] are consistent with the equal voting power requirements of the North Carolina
    Constitution” and that “the General Assembly did not subordinate traditional neutral
    districting criteria to partisan criteria or considerations in the [RSP].”
    ¶ 54         Third, the trial court addressed the RHP. The court noted that six amendments
    to the plan were offered by Democratic Representatives and passed, and the RHP
    then proceeded to pass the House by a vote of 115-5 and pass the Senate by a vote of
    41-3. The court observed that “[t]he ‘aye’ votes in the House and Senate were by
    members of both political parties[,]” while “[t]he ‘no’ votes in the House and Senate
    were solely by members of the Democratic Party.” Regarding the RHP’s use of
    partisanship, the court found, based upon and confirmed by “the analysis performed
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    Opinion of the Court
    by the Special Masters and their advisors, that the [RHP] [is] satisfactorily within
    the statistical ranges set forth in the Supreme Court’s full opinion. See Harper v.
    Hall, 2022-NCSC-17, ¶ 166 (mean-median difference of 1% or less) and ¶ 167
    (efficiency gap less than 7%).” The court found that “to the extent there remains a
    partisan skew in the [RHP], that partisan skew is explained by the political
    geography of North Carolina.” The court determined that “the measures taken by the
    General Assembly for the purposes of incumbency protection in the [RHP] are
    consistent with the equal voting power requirements of the North Carolina
    Constitution” and that “the General Assembly did not subordinate traditional neutral
    districting criteria to partisan criteria or considerations in the [RHP].”
    ¶ 55         Next, the trial court considered the proposed alternative remedial plans.
    Because the court was “satisfied with the [RHP] and [RSP], [it] did not need to
    consider an alternative plan” for those maps. In accordance with N.C.G.S. § 120-
    2.4(a1), the trial court ordered the use of the Special Masters’ “interim districting
    plan for the 2022 North Carolina Congressional election that differs from the [RCP]
    to the extent necessary to remedy the defects identified by the [c]ourt.” The trial court
    determined that the Modified RCP “was developed in an appropriate fashion, is
    consistent with N.C.G.S. § 120-2.4(a1), and is consistent with the North Carolina
    Constitution and the Supreme Court’s full opinion.” (Footnote omitted).
    ¶ 56         Based on these factual findings, the trial court then reached its legal
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    Opinion of the Court
    conclusions. First, the trial court noted this Court’s ruling in Harper that “there are
    multiple reliable ways of demonstrating the existence of an unconstitutional partisan
    gerrymander” and that “[i]f some combination of these metrics demonstrates there is
    a significant likelihood that the districting plan will give the voters of all political
    parties substantially equal opportunity to translate votes into seats across the plan,
    then the plan is presumptively constitutional.” Harper, ¶ 163.
    ¶ 57         The trial court then specified its legal conclusions regarding the Remedial
    Plans. The trial court concluded that the RSP and RHP “satisf[y] the Supreme Court’s
    standards” and therefore concluded that the RHP and RSP “are presumptively
    constitutional.” The trial court concluded that “no evidence presented to the [c]ourt is
    sufficient to overcome this presumption for the [RSP] and [RHP], and those plans are
    therefore constitutional and will be approved.
    ¶ 58         However, the trial court “conclude[d] that the [RCP] does not satisfy the
    Supreme Court’s standards.” Accordingly, the court concluded that the RCP “is not
    presumptively constitutional and is therefore subject to strict scrutiny.” The court
    concluded that “[t]he General Assembly has failed to demonstrate that [the RCP] is
    narrowly tailored to a compelling governmental interest, and . . . therefore . . .
    conclude[d] that the [RCP] is unconstitutional.”
    ¶ 59         Accordingly, the trial court was required to adopt a new, constitutionally
    compliant congressional plan. “Given that the ultimate authority and directive is
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    Opinion of the Court
    given to the Legislature to draw redistricting maps,” the trial court declined to adopt
    Plaintiffs’ proposed plans. Instead, it concluded “that the appropriate remedy is to
    modify the [RCP] to bring it into compliance with the Supreme Court’s order. See
    N.C.G.S. § 120-2.4(a1).” The trial court concluded that the Modified RCP “as proposed
    by the Special Masters satisfies the Supreme Court’s standards and should be
    adopted . . . for the 2022 North Carolina Congressional elections.”
    ¶ 60         Based on these factual findings and legal conclusions, the trial court then
    ordered the following:
    1. The [RSP] and [RHP] . . . are hereby APPROVED by the
    [c]ourt.
    2. The [RCP] . . . is hereby NOT APPROVED by the
    [c]ourt.
    3. The [Modified RCP] as recommended by the Special
    Masters is hereby ADOPTED by the [c]ourt and
    approved for the 2022 North Carolina Congressional
    elections.
    ¶ 61         On 23 February 2022, contemporaneously with its remedial order, the trial
    court issued an order denying Legislative Defendants’ motion to disqualify Drs. Wang
    and Jarvis “for the reasons expressed in the Special Masters’ Report.”
    C. Present Appeal
    ¶ 62         Following the trial court’s remedial order, all parties appealed to this Court.
    Harper Plaintiffs and NCLCV Plaintiffs appealed the trial court’s acceptance of the
    RSP. Plaintiff Common Cause appealed the trial court’s acceptance of both the RSP
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    Opinion of the Court
    and RHP and the trial court’s determination that the General Assembly satisfied
    racially polarized voting requirements. Legislative Defendants appealed the trial
    court’s rejection of the RCP. We briefly summarize each party’s arguments in turn.
    ¶ 63         First, Harper Plaintiffs and NCLCV Plaintiffs argue that the trial court erred
    in approving the RSP. They argue that the evidence shows that the RSP constitutes
    a partisan gerrymander that violates the Harper standard by creating stark partisan
    asymmetry; that is, by failing to give voters of all parties substantially equal
    opportunity to translate votes into seats. They contend that under Harper, individual
    statistical metrics can inform but not replace the determination as to whether a map
    complies with this foundational principle. They assert that the trial court erroneously
    used two statistical measures (mean-median difference and efficiency gap) as a
    substitute for constitutional compliance, and therefore that its approval of the RSP
    must be rejected. Specifically, they contend that two of the trial court’s factual
    findings—those finding that the RSP falls within certain statistical ranges and that
    any remaining partisan skew can be explained by political geography—lack
    competent evidence, and indeed are contrary to the evidence. Approving the trial
    court’s approach, they warn, would greenlight partisan gerrymandering and
    gamesmanship by allowing the General Assembly to create maps that meet certain
    metrics but nevertheless still create stark partisan asymmetry. Finally, they argue
    that after rejecting the RSP, this Court should ensure that lawful maps endure by
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    Opinion of the Court
    ordering that a new remedial map be adopted not just for this year, but until the next
    redistricting cycle following the 2030 census. This result is required, they assert,
    based on the prohibition against mid-decade redistricting within article II, sections 3
    and 5 of the North Carolina Constitution.6
    ¶ 64          Second, Plaintiff Common Cause argues that the trial court failed to evaluate
    whether the RHP and RSP comport with all constitutional requirements by failing to
    fully consider evidence of racially polarized voting. They contend that the RHP and
    RSP dilute the voting strength of Black voters and destroy functioning crossover
    districts in violation of equal protection principles.7 Separately, they argue that both
    the RHP and RSP must be struck down as unconstitutional partisan gerrymanders
    in violation of the Harper standard. They assert that the RHP and RSP deny
    substantially equal voting power, that the trial court’s attribution of the plans’
    partisan bias to political geography is legally and factually erroneous, and that the
    plans therefore must receive and necessarily fail strict scrutiny. Accordingly, they
    argue that this Court should ensure constitutional compliance by adopting Common
    Cause’s proposed remedial maps.
    6 In response, Legislative Defendants argue that the trial court’s approval of the RHP
    and RSP should be affirmed and that this Court lacks the authority to adopt an alternative
    remedial plan.
    7 In response, Legislative Defendants argue that the General Assembly properly
    performed RPV analysis, which showed that majority-minority districts are not required to
    comply with Section 2 of the Voting Rights Act.
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    ¶ 65         Third, Legislative Defendants argue that the trial court erred in rejecting the
    RCP and adopting the Modified RCP. They contend that the trial court failed to give
    the RCP proper deference accorded to legislative enactments, and that the Special
    Masters’ findings regarding the RCP were clearly erroneous. Further, Legislative
    Defendants argue that the trial court abused its discretion in denying Legislative
    Defendants’ motion to disqualify Special Masters’ Advisors Drs. Wang and Jarvis.
    Accordingly, they assert that this Court should reverse the trial court’s approval of
    the Modified RCP and its denial of their motion to disqualify.8
    ¶ 66         On 13 July 2022, Legislative Defendants filed with this Court a motion to
    dismiss “the entirety of their portion of” this appeal. Therein, Legislative Defendants
    asserted that dismissal of their own previous appeal was appropriate because the
    Modified RCP “ordered by the trial court is only applicable to the 2022 election, and
    that map will apply to the 2022 election regardless of the outcome of the appeal in
    this Court.” In response, Harper Plaintiffs and NCLCV Plaintiffs opposed Legislative
    Defendants’ motion to dismiss, arguing that the motion constitutes “a transparent
    effort to prevent this Court from addressing important questions—questions that
    Legislative Defendants have erroneously told the U.S. Supreme Court are
    unresolved—about the meaning of North Carolina statutes that authorize North
    8 In response, Plaintiffs argue that the trial court properly rejected the RCP and
    denied Legislative Defendants’ motion to disqualify.
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    Opinion of the Court
    Carolina courts to conduct state constitutional review of congressional-districting
    plans, including [N.C.G.S.] §§ 1-267.1(a), 120-2.3, and 120-2.4.”
    ¶ 67         This case came before this Court for oral argument again on 4 October 2022.
    II.   Analysis
    ¶ 68         Now, this Court must review the alignment of the trial court’s remedial order
    with the foundational principles established in Harper. “When the trial court
    conducts a trial without a jury, the trial court’s findings of fact have the force and
    effect of a jury verdict and are conclusive on appeal if there is competent evidence to
    support them . . . .” Stephenson v. Bartlett, 
    357 N.C. 301
    , 309 (2003) (cleaned up). If
    this Court determines “that the findings of fact are supported by the evidence, we
    must then determine whether those findings of fact support the conclusions of law.”
    
    Id.
     This Court reviews a trial court’s conclusions of law de novo. Sykes v. Health
    Network Sols., Inc., 
    372 N.C. 326
    , 332 (2019). After consideration, we affirm the trial
    court’s rejection of the RCP, affirm the trial court’s approval of the RHP, and reverse
    the trial court’s approval of the RHP. Before reaching these determinations, we must
    address Legislative Defendants’ motion to dismiss this appeal, which we deny.
    Finally, we must also address Plaintiff Common Cause’s equal protection arguments,
    which we reject.
    A. Legislative Defendants’ Motion to Dismiss Appeal
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    ¶ 69         As an initial matter, we must address Legislative Defendants’ motion to
    dismiss their own appeal. Because this motion was raised for the first time in this
    Court, we review it within our own discretion. After consideration, we deny
    Legislative Defendants’ motion.
    ¶ 70         In essence, Legislative Defendants contend that their appeal should be
    dismissed because its outcome will have limited impact. That is, regardless of
    whether this Court affirms or reverses the portion of the trial court’s order rejecting
    of the RCP and adopting the Modified RCP, the Modified RCP has already been used
    in the November 2022 elections and will ostensibly be replaced before future
    elections. Harper Plaintiffs and NCLCV Plaintiffs, by contrast, contend that
    Legislative Defendants’ motion seeks to “have it both ways” by “arguing about the
    meaning of North Carolina law to the U.S. Supreme Court while simultaneously
    withdrawing any attempts to have this Court address their misinterpretation of state
    statutes and the state constitution.”
    ¶ 71         Lacking a crystal ball with which to divine Legislative Defendants’ purpose,
    we turn to context. While Legislative Defendants’ motion correctly notes that “2022
    is the only election to which the [Modified RCP] will apply,” that has been true since
    the trial court issued its remedial order adopting the Modified RCP on 23 February
    2022. Since then, Legislative Defendants not only appealed the trial court’s ruling
    regarding the RCP, but have continued to move their appeal forward through motions
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    practice throughout the spring and into the summer.
    ¶ 72         On 30 June 2022, however, the Supreme Court of the United States granted
    Legislative Defendants’ petition for certiorari in Moore v. Harper. cert. granted, 
    142 S. Ct. 2901
     (2022). There, the Court will consider whether the federal Constitution’s
    Elections Clause prohibits state courts from resolving state constitutional challenges
    to a state legislature’s congressional redistricting plans. Within their petition,
    Legislative Defendants rebut Plaintiffs’ claim that certain state statutes expressly
    authorize state courts to review challenges to congressional redistricting plans for
    compliance with the state Constitution. On 8 July 2022, Plaintiffs each filed a notice
    with this Court noting this development. Legislative Defendants filed their motion to
    dismiss their own appeal in this Court three business days later.
    ¶ 73         This chronology is impossible to ignore, and indicates that Legislative
    Defendants sought to dismiss their own appeal in order to avoid a ruling by this Court
    that might affect their arguments before the Supreme Court of the United States. In
    any event, this issue is of great significance to the jurisprudence of our state and is
    squarely and properly before this Court through the trial court’s remedial order and
    Legislative Defendants’ subsequent appeal. Accordingly, we deny Legislative
    Defendants’ motion to dismiss.
    B. Harper’s Constitutional Standard
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    ¶ 74          Next, before reviewing the Remedial Plans, we take this opportunity to clarify
    and reaffirm the constitutional standard recognized by this Court in Harper v. Hall,
    
    380 N.C. 317
    , 2022-NCSC-17.
    ¶ 75          Constitutional compliance is not grounded in narrow statistical measures, but
    in broad fundamental rights. Therefore, a trial court reviewing the constitutionality
    of a challenged proposed districting plan must assess whether that plan upholds the
    fundamental right of the people to vote on equal terms and to substantially equal
    voting power. Harper, ¶ 7. This fundamental right “encompasses the opportunity to
    aggregate one’s vote with likeminded citizens to elect a governing majority of elected
    officials who reflect those citizens’ views.” Id. ¶ 160. Put differently, it requires that
    “voters of all political parties [have] substantially equal opportunity to translate votes
    into seats.” Id. ¶ 163.
    When, on the basis of partisanship, the General Assembly
    enacts a districting plan that diminishes or dilutes a voter’s
    opportunity to aggregate with likeminded voters to elect a
    governing majority―that is, when a districting plan
    systematically makes it harder for individuals because of
    their party affiliation to elect a governing majority than
    individuals in a favored party of equal size―the General
    Assembly deprives on the basis of partisan affiliation a
    voter of his or her right to equal voting power.
    Id. ¶ 160.
    ¶ 76          Although Harper mentions several potential datapoints that may be used in
    assessing the constitutionality of a proposed districting plan, those measures are not
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    substitutes for the ultimate constitutional standard noted above. See id. ¶¶ 165–69.
    That is, a trial court may not simply find that a districting plan meets certain factual,
    statistical measures and therefore dispositively, legally conclude based on those
    measures alone that the plan is constitutionally compliant. Constitutional compliance
    has no magic number. Rather, the trial court may consider certain datapoints within
    its wider consideration of the ultimate legal conclusion: whether the plan upholds the
    fundamental right of the people to vote on equal terms and to substantially equal
    voting power.
    ¶ 77         This is for good reason. As both Plaintiffs and Legislative Defendants
    recognize, individual datapoints are vulnerable to manipulation and are not
    independently dispositive of whether a map gives all voters a substantially equal
    opportunity to translate votes into seats. Rather, it is only when these metrics and
    record evidence align to “demonstrate[ ] [that] there is a significant likelihood that
    the districting plan will give the voters of all political parties substantially equal
    opportunity to translate votes into seats across the plan” that a challenged plan may
    again be considered presumptively constitutional. Id. ¶ 163.
    ¶ 78         Contrary to the claims of the dissent, applying this standard, though of course
    imperfect, is not impossible. There are many possible redistricting maps that could
    uphold the fundamental right of all voters to vote on equal terms, just as there are
    many possible factors that a trial court may consider in assessing the ultimate
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    constitutionality of those maps. This is because our constitution speaks in broad
    foundational principles, not narrow statistical calculations. As in other realms, the
    absence of any one dispositive mathematical metric in redistricting does not absolve
    the judiciary of its constitutional duty to interpret and protect the constitutional
    rights of the citizens of our state. See Corum, 
    330 N.C. at 783
     (“It is the state judiciary
    that has the responsibility to protect the state constitutional rights of the citizens . .
    . .”). Indeed, the very history of this case itself reveals that the judiciary, though not
    always in perfect agreement, may meaningfully engage with these principles toward
    the shared goal of ensuring the preservation of constitutional rights and the
    maintenance of our sacred system of democratic governance.
    ¶ 79          Here, the trial court appears to have leaned very heavily upon its factual
    findings regarding two datapoints, mean-median difference and efficiency gap, in
    reaching its ultimate legal conclusion that the RHP and RSP “satisfy the Supreme
    Court’s standards.”9 However, the trial court also expressly adopted into its factual
    findings the findings within the Special Masters’ Report. That Report, in turn,
    considered within its determination not just these two datapoints, but also “the
    findings of the advisors on the partisan symmetry analysis, the declination metrics, .
    . . their opinions on partisan bias and evidence of partisan gerrymandering[,]” and
    To be clear, the ultimate standard for constitutional compliance originates from the
    9
    fundamental rights enshrined in the Constitution itself, not from this Court.
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    “the totality of the circumstances.” Further, the trial court acknowledged the broader
    constitutional standard at least in passing in its factual findings regarding
    incumbency protection and traditional neutral districting criteria, which noted “the
    equal voting power requirements of the North Carolina Constitution.” In so doing,
    the remedial order indicates that the trial court functionally considered how the
    evidence presented supported or undermined the compliance of the plans with the
    broader constitutional standard, rather than using two datapoints as substitutes for
    constitutional compliance.10 However, we encourage future trial courts considering
    the constitutionality of districting plans to specify how the evidence does or does not
    support the plan’s alignment with the broader constitutional standard of upholding
    the fundamental right to vote on equal terms and avoiding partisan asymmetry, not
    merely where its falls within certain statistical ranges.
    C. Remedial Congressional Plan
    ¶ 80         With the proper constitutional standard clarified, we must now review the trial
    court’s legal conclusions regarding the constitutionality of the RCP, RHP, and RSP
    in alignment with that standard. We review conclusions of law de novo to determine
    whether they are supported by findings of fact. Stephenson, 
    357 N.C. at 309
    ; Sykes,
    372 N.C. at 332. Factual findings are conclusive on appeal if they are supported by
    10 The trial court’s brevity here must also be considered within the context of its
    extremely compressed schedule on remand.
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    competent evidence. Stephenson, 
    357 N.C. at 309
    . We first address the trial court’s
    rejection of Legislative Defendants’ RCP. After consideration, we affirm.
    ¶ 81         In Conclusion of Law 7, the trial court “conclude[d] that the [RCP] does not
    satisfy the Supreme Court’s standards” for constitutional compliance. The trial court
    subsequently concluded that “the [RCP] is not presumptively constitutional and is
    therefore subject to strict scrutiny.” The court ultimately concluded that because
    “[t]he General Assembly has failed to demonstrate that the[ ] [RCP] is narrowly
    tailored to a compelling governmental interest, . . . [it] is unconstitutional.”
    ¶ 82         These conclusions of law are supported by Findings of Fact 28 through 35.
    Therein, the trial court found that the RCP was passed on a strict party-line vote,
    that the RCP “is not satisfactorily within the statistical ranges set forth” in Harper,
    and that “the partisan skew in the [RCP] is not explained by the political geography
    of North Carolina.” Further, the Special Masters’ Report, as expressly adopted in full
    into the trial court’s remedial order, found that “there is substantial evidence from
    the findings of the advisors that the [RCP] has an efficiency gap above 7% and a
    mean-median difference of greater than 1%.” After consideration of this evidence
    “along with the advisors’ findings on the partisan symmetry analysis and the
    declination metrics,” the Special Masters stated their “opinion that the [RCP] fails to
    meet the threshold of constitutionality.” They therefore “recommend[ed] that the
    [t]rial [c]ourt reject the [RCP] as being unconstitutional.”
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    ¶ 83          These factual findings are supported by competent evidence in the record.
    Specifically, none of the Special Masters’ Advisors determined that the RCP yielded
    both an efficiency gap below 7% and a mean-median difference below 1%. Beyond
    these two measures, the Advisors determined that the RCP reflects stark and durable
    partisan asymmetry, as illustrated by their observations that Republicans would
    consistently win more seats than Democrats with the same share of votes across a
    variety of electoral conditions. More broadly, the Advisors determined that the RCP
    “consistently favors Republicans” across all applicable measures, “creates a
    distribution of voting strength across districts that is very lopsidedly Republican,”
    and “should be viewed as a pro-Republican gerrymander.” Finally, the Advisors
    determined that the RCP created far worse partisan asymmetry than possible
    alternatives.11
    ¶ 84          Collectively, this evidence amply supports the trial court’s factual findings that
    the RCP does not satisfy constitutional standards. Those factual findings, in turn,
    adequately support the trial court’s subsequent conclusion of law that the RCP must
    be assessed under, and fails, strict scrutiny. Accordingly, we affirm the trial court
    11 Of course, because there are any number of potential maps that could satisfy
    constitutional standards, the existence of an alternative plan with greater partisan
    symmetry does not dispositively prove the unconstitutionality of a less symmetrical plan.
    However, as with any other piece of evidence, the existence or absence of an alternative plan
    with significantly greater partisan symmetry—especially one that still honors traditional
    neutral districting criteria—may serve as one datapoint within the trial court’s broader
    constitutional determination.
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    order’s rejection of the RCP.
    ¶ 85          Next, we must address the trial court’s subsequent remedy: the adoption of the
    Modified RCP. In Conclusion of Law 8, the trial court stated that “[g]iven the ultimate
    authority and directive is given to the Legislature to draw redistricting maps, we
    conclude that the appropriate remedy is to modify the Legislative [RCP] to bring it
    into compliance with the Supreme Court’s order. See N.C.G.S. § 120-2.4(a1).”
    Subsequently, the court concluded that “[t]he [Modified RCP] as proposed by the
    Special Masters satisfies the Supreme Court’s standards and should be adopted by
    th[e] [c]ourt for the 2022 North Carolina Congressional elections.”
    ¶ 86          As an initial matter, the trial court is correct: N.C.G.S. § 120-2.4(a1) states, in
    pertinent part, that “[i]n the event the General Assembly does not act to remedy [a
    previously] identified defect[ ] to its [redistricting] plan within th[e] [required] period
    of time, the court may impose an interim districting plan.” N.C.G.S. § 120-2.4(a1)
    (2021). The statute further clarifies that this interim plan “may differ from the
    districting plan enacted by the General Assembly only to the extent necessary to
    remedy any defects identified by the court.” Id. In alignment with its broader
    statutory framework including N.C.G.S. § 1-267.1 (entitled “Three-judge panel for
    actions challenging plans apportioning or redistricting State legislative or
    congressional districts; claims challenging the facial validity of an act of the General
    Assembly”) and N.C.G.S. § 120-2.3 (entitled “Contents of judgments invalidating
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    apportionment or redistricting acts), N.C.G.S. § 120-2.4 expressly authorizes judicial
    review of legislative redistricting plans for state constitutional compliance and
    judicial adoption of modified remedial plans in the event that the General Assembly
    fails to remedy constitutional defects within its own proposed plans. Accordingly, the
    trial court properly complied with N.C.G.S. § 120-2.4(a1) in adopting the Modified
    RCP.
    ¶ 87          Further, the trial court’s conclusion of law that the Modified RCP satisfies the
    constitutional standard is supported by its findings of fact. These factual findings
    determined that the Modified RCP “was developed in an appropriate fashion, is
    consistent with N.C.G.S. § 120-2.4(a1), and is consistent with the North Carolina
    Constitution and the Supreme Court’s full opinion.” (Footnote omitted). The Special
    Masters’ Report, as expressly adopted in full into the trial court’s remedial order,
    likewise found that the Modified RCP “satisfies the requirements of the Supreme
    Court” and “achieves the partisan fairness and ‘substantially equal voting power’
    required by the Supreme Court of North Carolina.”
    ¶ 88          These findings of fact are supported by competent evidence. The evidence
    indicates that the Modified RCP “has an efficiency gap of 0.63%, a mean-median
    difference of 0.69%, seat bias of 0.28%, and vote bias of 0.10%.” According to Dr.
    Grofman, “this is the most non-dilutive plan in partisan terms of any map that has
    been submitted to the [c]ourt.” Finally, the evidence indicates that the Modified RCP
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    achieves this level of partisan symmetry while still complying with traditional
    neutral districting criteria such as “maintaining the number of county splits,
    retaining equal population, compactness, and contiguity, as well as respecting
    municipal boundaries.”
    ¶ 89         Collectively, this evidence amply supports the trial court’s factual findings that
    the Modified RCP was developed in an appropriate fashion, is consistent with
    N.C.G.S. § 120-2.4(a1), and meets constitutional standards. Those factual findings,
    in turn, adequately support the trial court’s subsequent conclusion of law that
    adopting the Modified RCP is legally and constitutionally appropriate remedy.
    Accordingly, we affirm the trial court order’s adoption of the Modified RCP.
    D. Remedial House Plan
    ¶ 90         Second, we address the trial court’s approval of Legislative Defendants’
    Remedial House Plan (RHP). After consideration, we affirm.
    ¶ 91         In Conclusion of Law 4, the trial court “conclude[d] that the [RHP] satisfies the
    Supreme Court’s standards” for constitutional compliance. It subsequently concluded
    that “the [RHP is] presumptively constitutional” and that because “no evidence
    presented to the [c]ourt is sufficient to overcome this presumption[,] . . . th[e] [RHP
    is] therefore constitutional and will be approved.”
    ¶ 92         These conclusions of law are supported by Findings of Fact 51 through 63, none
    of which have been specifically challenged as unsupported by evidence. Therein, the
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    trial court found that the RHP was “amended by six amendments offered by
    Democratic Representatives” and ultimately passed the House and Senate with
    sweeping bipartisan approval. The trial court found, “based upon and confirmed by
    the analysis of the Special Masters and their advisors, that the [RHP is] satisfactorily
    within the statistical ranges set forth in the Supreme Court’s full opinion.” The court
    found that “to the extent there remains a partisan skew in the [RHP], that partisan
    skew is explained by the political geography of North Carolina.” Regarding the
    General Assembly’s consideration of incumbency protection, the trial court found that
    “the measures taken by the General Assembly for the purposes of incumbency
    protection in the [RHP] were applied evenhandedly” and “are consistent with the
    equal voting power requirements of the North Carolina Constitution.” The trial court
    found “that the General Assembly did not subordinate traditional neutral districting
    criteria to partisan criteria or considerations in the [RHP].” Further, the Special
    Masters’ Report, as expressly adopted in full into the trial court’s remedial order,
    found that “[t]he advisors as well as the experts of the parties . . . all found the
    efficiency gap of the [RHP] to be less than 7%” and “[t]he majority of the advisors and
    experts found the mean-median difference of the [RHP] to be less than 1%.” The
    Special Masters determined, based on these facts and “the findings of the advisors on
    the partisan symmetry analysis, the declination metrics, and their opinions on
    partisan bias and evidence of partisan gerrymandering,” that “the [RHP] meets the
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    test of presumptive constitutionality.”
    ¶ 93         Moreover, these factual findings are supported by competent evidence. The
    Special Masters’ Advisors determined that the RHP yields an average efficiency gap
    of about 2.88%, an average mean-median difference of about 1.27%, a partisan
    asymmetry of 2.9%, and a declination metric of 0.16. Although the RHP shows some
    Republican bias, the Advisors determined that the RHP “is genuinely far more
    competitive than either of the other two legislatively proposed maps” and “simply
    lacks the same clear indicia of egregious bias found in the previously rejected maps
    and still found . . . in the [RCP] and [RSP].” Dr. Jarvis determined that the RHP
    “appear[s] to be mostly typical in terms of the number of seats won,” and Dr. McGhee
    observed that the RHP’s similarity to the NCLCV proposed plan “hints that it may
    be difficult to do better while still abiding by other constraints.” Contextually, the
    Advisors observed that neither the Harper Plaintiffs nor the NCLCV Plaintiffs
    challenged the RHP on appeal, and that the RHP “was passed by a clear bipartisan
    consensus in the legislature.”
    ¶ 94         Collectively, this evidence supports the trial court’s factual findings that the
    RHP meets constitutional standards. Those factual findings, in turn, adequately
    support the trial court’s subsequent conclusion of law that the RHP is constitutional
    and should be approved. Accordingly, we affirm the trial court’s order approving the
    RHP. In accordance with article II section 5(4) of our Constitution, the RHP is now
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    “established” under law and therefore “shall remain unaltered until the return of
    another decennial census of population taken by order of Congress.”
    E. Remedial Senate Plan
    ¶ 95          Third, we address the trial court’s approval of Legislative Defendants’
    Remedial Senate Plan (RSP). After consideration, we reverse.
    ¶ 96          In Conclusion of Law 3, the trial court “conclude[d] that the [RSP] satisfies the
    Supreme Court’s standards.” It subsequently concluded that “the [RSP is]
    presumptively constitutional,” and that because “no evidence presented to the [c]ourt
    is sufficient to overcome this presumption[,] . . . th[e] [RSP is] therefore constitutional
    and will be approved.”
    ¶ 97          These conclusions of law are based on Findings of Fact 36 through 50, but,
    unlike for the RHP, are not supported by all of those findings. For instance, Finding
    of Fact 36 found that the RSP kept many of the same county groupings as the
    unconstitutional 2021 Senate plan. Finding of Fact 38 found that the RSP passed
    both chambers of the General Assembly on strict party-line votes. Finding of Fact 39
    found that suggested Senate plans drawn by Democrats were rejected and only “the
    plan proposed by the Republican Redistricting and Election Committee members was
    then put to a vote by the Senate Committee and advanced to the full chamber.”
    Though far from dispositive, these contextual factual findings undermine, rather
    than support, the trial court’s subsequent conclusion that the RSP meets
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    constitutional standards of partisan symmetry. These contrary factual findings, in
    part, distinguish the trial court’s analysis of the RSP from its analysis of the RHP,
    ¶ 98         Other findings of fact regarding the RSP, though supportive of the trial court’s
    legal conclusions, are expressly challenged by Plaintiffs and, we conclude, are
    unsupported by competent evidence.12 For instance, Finding of Fact 42 found that
    “based upon the analysis performed by the Special Masters and their advisors, . . .
    the [RSP] is satisfactorily within the statistical ranges set forth in the Supreme
    Court’s full opinion.” Finding of Fact 43 found “that to the extent there remains a
    partisan skew in the [RSP], that partisan skew is explained by the political geography
    of North Carolina.” These two findings constitute the keystone of the trial court’s
    factual support for its legal conclusion that the RSP is constitutionally compliant, but
    neither are supported by competent evidence.
    ¶ 99         First, Finding of Fact 42 is not supported by competent evidence. Far from
    supporting the constitutionality of the RSP, the analysis performed by the Special
    Masters and their Advisors strongly indicates that the RSP reflects “a substantial
    pro-Republican bias” that “should be viewed as a pro-Republican gerrymander” and
    constitutes “a significant outlier in favor of the Republicans.” Statistically, all but one
    Advisor, Dr. Wang, determined that the RSP yields a mean-median difference of over
    12  Because these factual findings are expressly challenged as lacking competent
    evidence, they require a more careful review than findings or conclusions that are more
    generally rebutted or wholly unmentioned.
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    1%, and the average of all four advisors’ mean-median difference calculation is also
    above 1%. Even Dr. Wang concluded that the RSP indicates notable partisan bias in
    all six metrics evaluated. And because the Special Masters expressly noted that Dr.
    Wang’s analysis “was not determinative of any recommendations made by the Special
    Masters to the court,” it is clear that this finding of fact cannot rest on his single
    calculation alone. Further, the evidence indicates the RSP’s durable partisan
    asymmetry is such that “in a tied election Republicans would still hold 27 or 28 seats,
    and that Democrats would need to win as much as 53 percent of the vote to claim 25
    seats.”
    ¶ 100         Finding of Fact 43 is likewise unsupported by competent evidence. There, the
    trial court found “that to the extent there remains a partisan skew in the [RSP], that
    partisan skew is explained by the political geography of North Carolina.” As an initial
    matter, this finding is an incomplete statement of the requirement established in
    Harper, which stated that a court may use statistical measures in assessing “whether
    a meaningful partisan skew necessarily results from North Carolina’s unique political
    geography.” Harper, ¶ 163 (emphasis added). In any event, the evidence shows the
    opposite. The Advisors specifically determined that alternative remedial Senate
    plans often reflect “less than half the size of the [partisan] advantage in the
    Legislative Defendants’ [RSP],” indicating “that there is nothing foreordained about
    the advantages in the Legislative Defendants’ plan.” This evidence likewise
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    distinguishes the RSP from the RHP, which was found to reflect very similar partisan
    symmetry as alternative plans, thus “hint[ing] that it may be difficult to do better
    while still abiding by [traditional] constraints.” Indeed, when alternative plans reflect
    substantially less partisan asymmetry while adhering equally or better to traditional
    neutral redistricting criteria, it indicates that the more asymmetrical plan is
    necessarily not explained by political geography.
    ¶ 101         To be clear, none of these datapoints are individually dispositive.
    Cumulatively, though, they directly and significantly undermine, rather than
    support, the trial court’s factual findings that the RSP satisfies constitutional
    standards. Given this lack of competent evidentiary support, these challenged
    findings of fact must be rejected as support for their subsequent legal conclusions.
    ¶ 102         Without these keystone factual findings, the trial court’s subsequent
    conclusions of law crumble. That is, without any findings that the RSP satisfies
    constitutional standards, the trial court’s conclusion affirming the RSP’s
    constitutionality is wholly unsupported and likewise fails. Accordingly, we reverse
    the trial court’s approval of the RSP.
    ¶ 103         Given this reversal, this Court must now implement a remedy. Under N.C.G.S.
    § 120-2.4(a1), when “the General Assembly does not act to remedy any identified
    defects” to a remedial districting plan, “the court may impose an interim districting
    plan . . . that . . . differ[s] from the districting plan enacted by the General Assembly
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    only to the extent necessary to remedy any defects identified by the court.” In
    accordance with this express statutory authorization and the Court’s constitutional
    authority to remedy the violation of fundamental rights, see Corum, 
    330 N.C. at 783
    ,
    we remand this case to the trial court to oversee the creation of a Modified RSP. This
    plan must modify Legislative Defendants’ RSP only to the extent necessary to achieve
    constitutional compliance by ensuring that individuals “of all political parties are
    given substantially equal opportunity to translate votes into seats across the plan.”
    Harper, ¶ 163. Upon its review, if the trial court concludes that the proposed Modified
    RSP meets this constitutional standard, then we instruct the trial court to adopt the
    Modified RSP.
    F. Legislative Defendants’ Motion to Disqualify Special Masters’ Advisors
    ¶ 104         Next, we must address Legislative Defendants’ contention that the trial court
    abused its discretion in denying Legislative Defendants’ motion to disqualify two of
    the Special Masters’ Advisors. This Court reviews a trial court’s discretionary ruling
    for an abuse of that discretion. Davis v. Davis, 
    360 N.C. 518
    , 523 (2006). “A trial court
    may be reversed for abuse of discretion only upon a showing that its actions are
    ‘manifestly unsupported by reason.’ ” 
    Id.
     (quoting Clark v. Clark, 
    301 N.C. 123
    , 129
    (1980)). We hold that the trial court did not abuse its discretion in denying Legislative
    Defendants’ motion to disqualify for three reasons.
    ¶ 105         First, while “the analysis provided by Drs. Wang and Jarvis was helpful . . . ,
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    it was not determinative of any recommendations made by the Special Masters to the
    [c]ourt.” Second, the ex parte communications between the Advisors and Plaintiffs’
    experts “do not appear to have been made in bad faith” and “were solely for the
    purpose of proceeding as quickly as possible within the abbreviated time frame
    allotted for the remedial process.” Third, all of the information sought by the Advisors
    “was publicly available . . . at the time of the communications questioned.”
    Accordingly, the trial court’s denial of Legislative Defendants’ motion to disqualify
    was amply supported by reason. We therefore affirm the trial court’s denial of
    Legislative Defendants’ motion.
    G. Equal Protection Challenge
    ¶ 106         Finally, we must address Plaintiff Common Cause’s equal protection
    arguments. Specifically, Common Cause contends that RHP District 10 and RSP
    District 4 violate state equal protection requirements by failing to protect against
    vote dilution for Black voters and due to the intentional destruction of functioning
    crossover districts for Black voters. In response, Legislative Defendants assert the
    General Assembly satisfactorily performed a racially polarized voting analysis which
    showed that majority-minority districts are not required for Voting Rights Act (VRA)
    compliance, and that the General Assembly lacked good reason to conclude that
    drawing remedial districts without reference to race was required to protect from
    VRA Section 2 liability. Because this Court has already reversed the trial court’s
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    constitutional approval of the RSP, we focus primarily on Plaintiff Common Cause’s
    RHP challenge. After consideration, we reject Plaintiff Common Cause’s claim.
    ¶ 107         In Harper, this Court held “that under Stephenson, the General Assembly was
    required to conduct a racially polarized voting analysis prior to drawing district
    lines.” Harper, ¶ 214. We further noted that this responsibility “arises from our state
    constitution and decisions of this Court, including primarily Stephenson, and not from
    the VRA itself, or for that matter from any federal law.” 
    Id.
    ¶ 108         Here, the trial court concluded that the RHP satisfied constitutional
    standards, which include principles of equal protection. This conclusion of law, as it
    relates to equal protection principles, was supported by Findings of Fact 16 and 17.
    Therein, the trial court found that “[t]he General Assembly conducted an abbreviated
    racially polarized voting (“RPV”) analysis to determine whether racially polarized
    voting is legally sufficient in any area of the state such that Section 2 of the [VRA]
    requires the drawing of a district to avoid diluting the voting strength of African
    American voters during the remedial process.” The trial court found that “Legislative
    Defendants’ expert Dr. Jeffery B. Lewis ran an analysis and concluded that all three
    Remedial Plans provide African Americans with proportional opportunity to elect
    their candidates of choice.” Accordingly, the trial court determined “that the General
    Assembly satisfied the directive in the Supreme Court Remedial Order to determine
    whether the drawing of a district in an area of the state is required to comply with
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    Section 2 of the [VRA].”
    ¶ 109         The evidence on this issue, though limited, supports the trial court’s limited
    findings of fact and conclusion of law. Specifically, the record reflects that the General
    Assembly conducted RPV analysis during its remedial process in compliance with
    this Court’s order and opinion in Harper, and that this analysis concluded that the
    RHP met threshold requirements of providing Black voters with proportional
    opportunity to elect candidates of their choice. Although Plaintiff Common Cause
    notes contrary evidence indicating decreases in Black voting age population
    percentages within the two challenged districts under the RHP and RSP, this
    evidence does not lead to a conclusion that the trial court’s findings are unsupported
    by competent evidence. Further, because the federal authorities cited by Plaintiff
    Common Cause do not require the General Assembly to create functioning crossover
    districts based on this data under state equal protection principles, this Court is not
    in a position to consider Plaintiff’s requested remedy within an exclusively state law
    claim in state court. Accordingly, we affirm the trial court’s approval of the RHP on
    equal protection principles.
    III.    Conclusion
    ¶ 110         Our Constitution’s Declaration of Rights vests in the people of this state the
    fundamental right to vote on equal terms. N.C. Const. art. I, §§ 1 (equality and rights
    of persons), 2 (sovereignty of the people), 10 (free elections), 12 (freedom of assembly),
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    Opinion of the Court
    14 (freedom of speech), 19 (equal protection of the laws); see Harper, ¶ 158–59
    (summarizing these principles and rights). In exercising its redistricting authority,
    the General Assembly is required to respect and uphold this fundamental right. Id. ¶
    160. Therefore, when the General Assembly enacts a districting plan that
    systematically makes it harder for certain voters to elect a governing majority based
    on partisan affiliation, that plan “is subject to strict scrutiny and is unconstitutional
    unless the General Assembly can demonstrate that the plan is narrowly tailored to
    advance a compelling governmental interest.” Id. ¶ 161 (cleaned up). While individual
    datapoints about a districting plan may be helpful toward assessing constitutional
    compliance, they are not substitutes for constitutional compliance. Ultimately, a
    districting plan must comply with the broader constitutional standard of upholding
    the right to vote on equal terms and to substantially equal voting power. Id. ¶ 160.
    ¶ 111         Here, the trial court properly determined that Legislative Defendants’
    Remedial Congressional Plan fell short of that standard. In accordance with N.C.G.S.
    § 120-2.4(a1), it then properly adopted a Modified RCP. Therefore, we affirm the trial
    court’s rejection of the RCP and adoption of the Modified RCP.
    ¶ 112         Next, the trial court properly determined that Legislative Defendants’
    Remedial House Plan met constitutional standards. We therefore affirm the trial
    court’s approval of the RHP for use through the next decennial redistricting cycle.
    ¶ 113         However, the trial court erred in its determination that Legislative
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    Opinion of the Court
    Defendants’ Remedial Senate Plan met constitutional standards. Specifically, the
    trial court’s legal conclusion that the RSP is constitutionally compliant is
    unsupported by findings of fact that are supported by competent evidence. Rather,
    the evidence strongly indicates that the RSP creates stark partisan asymmetry in
    violation of the fundamental right to vote on equal terms. We therefore reverse the
    trial court’s approval of the RSP.
    ¶ 114         In accordance N.C.G.S. § 120-2.4(a1), we now remand this case to the trial
    court to oversee the creation of a Modified RSP that modifies Legislative Defendants’
    RSP only to the extent necessary to achieve constitutional compliance. After
    assessing the Modified RSP for constitutional compliance, we instruct the trial court,
    in accordance with N.C.G.S. § 120-2.4(a1), to adopt this Modified RSP.
    ¶ 115         If our state is to realize its foundational ideals of equality and popular
    sovereignty, it must first “ensure that the channeling of ‘political power’ from the
    people to their representatives in government through elections, the central
    democratic process envisioned by our constitutional system, is done on equal terms.”
    Harper, ¶ 223. Only then will ours truly be “a ‘government of right’ that ‘originates
    from the people’ and speaks with their voice.” Id. As expressed in Harper, it remains
    the sincere hope of this Court that our state’s leaders will exercise their constitutional
    authority—in redistricting and all other realms—in a manner that upholds these
    fundamental rights and principles. Id. Until then, it remains the solemn
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    Opinion of the Court
    constitutional duty of this Court and our state judiciary to stand in the breach.
    AFFIRMED IN PART, REVERSED IN PART, AND REMANDED.
    -58-
    Chief Justice NEWBY dissenting.
    ¶ 116            To which branch of government does our constitution place the role of
    redistricting? The constitution expressly gives that responsibility to the legislative
    branch; even the majority so concedes. While paying lip service to this express grant
    of authority, the majority retains for itself the ultimate redistricting responsibility.
    As previously warned in the initial dissent in this case,
    [t]he majority replaces established principles with
    ambiguity, basically saying that judges alone know which
    redistricting plan will be constitutional and accepted by
    this Court based on analysis by political scientists. This
    approach ensures that the majority now has and
    indefinitely retains the redistricting authority, thereby
    enforcing its policy preferences.
    Harper v. Hall (Harper I), 
    380 N.C. 317
    , 2022-NCSC-17, ¶ 229 (Newby, C.J.,
    dissenting).
    ¶ 117            Today this prediction is fulfilled. In Harper I the majority effectively amended
    the state constitution to establish a redistricting commission composed of judges and
    political science experts. When, however, this commission, using the majority’s
    redistricting criteria, reached an outcome with which the majority disagrees, the
    majority freely reweighs the evidence and substitutes its own fact-finding for that of
    the three-judge panel. Again, as predicted, “[t]he four members of this Court alone
    will approve a redistricting plan which meets their test of constitutionality.” Id.
    ¶ 309.
    HARPER V. HALL
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    Newby, C.J., dissenting
    ¶ 118         On remand, despite very challenging deadlines established by the majority,
    the General Assembly redrew its redistricting maps, this time using the guidelines
    discussed by this Court in Harper I. The General Assembly made the policy decision
    to use various approved, constitutionally compliant procedures. It chose appropriate
    county groupings, utilized the most widely accepted redistricting software available,
    Maptitude, and adopted for its use the twelve statewide races suggested by one of
    plaintiffs’ experts. It made the policy decision to rely on the two, extensively peer-
    reviewed, political science tests suggested by the majority. The majority said that if
    a redistricting plan met these tests, it would be “presumptively constitutional.” Id.
    ¶¶ 166−67 (majority opinion). All of the General Assembly’s remedial plans met these
    tests according to the Maptitude software.
    ¶ 119         The three-judge panel, its Special Masters, and their advisors did not give any
    deference to the General Assembly’s policy choices listed above. Each advisor used
    his own preferred software and set of elections to analyze the remedial plans.
    Nevertheless, the Special Masters recommended, and the three-judge panel
    concluded, that the remedial House plan (RHP) and the remedial Senate plan (RSP)
    complied with the majority’s criteria from Harper I. The three-judge panel, however,
    summarily rejected the remedial Congressional plan (RCP), as recommended by the
    Special Masters, and judicially adopted a plan created by the Special Masters in
    consultation with their advisors.
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    ¶ 120         Now the majority agrees with the three-judge panel’s acceptance of the RHP
    and its rejection of the RCP. The majority, however, holds unconstitutional beyond a
    reasonable doubt the RSP. While accepting the three-judge panel’s findings of fact for
    the RHP, the majority wrongly reweighs the evidence, determines credibility, and
    substitutes its own judgment for that of the three-judge panel in order to strike down
    the RSP.
    ¶ 121         Despite the majority’s judicial amendments to our constitution to create an
    active role for itself in redistricting, our case law directs that the General Assembly’s
    policy determinations in enacting laws are entitled to a presumption of
    constitutionality. See State ex rel. McCrory v. Berger, 
    368 N.C. 633
    , 639, 
    781 S.E.2d 248
    , 252 (2016). Showing that a policy decision is unconstitutional requires proof
    beyond any reasonable doubt. See, e.g., Jenkins v. State Bd. of Elections, 
    180 N.C. 169
    , 172, 
    104 S.E. 346
    , 348 (1920). In compliance with the majority’s directive, the
    General Assembly chose Maptitude, a set of twelve statewide elections, and two
    political science tests, Mean-Median Difference and Efficiency Gap, which were
    specifically approved in Harper I.
    ¶ 122         No    one   has   challenged    the   General     Assembly’s   policy   choices   as
    unconstitutional. According to Maptitude, all three remedial maps satisfied the
    Mean-Median Difference and Efficiency Gap criteria, thus meeting the majority’s own
    test for presumptive constitutionality—this test being in addition to the
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    Newby, C.J., dissenting
    long-standing requirement that we treat all acts of the General Assembly as
    constitutional.
    ¶ 123         Neither the majority nor the three-judge panel gave any deference to these
    policy choices. Instead, they disrespect another branch of government by treating the
    General Assembly as just another participant in their redistricting process. While the
    three-judge panel correctly upheld the RHP and the RSP, it wrongly rejected the RCP.
    The majority now wrongly rejects the RSP and upholds the three-judge panel’s
    rejection of the RCP. The majority has effectively overturned its own decision in
    Harper I. There it said that if the Remedial Plans met specified thresholds for certain
    political science-based tests, the plans would be “presumptively constitutional.”
    Harper I, 2022-NCSC-17, ¶¶ 166−67. Now, reversing course, it says none of these test
    scores can entitle a proposed redistricting plan to a presumption of constitutionality.
    It appears the majority seeks to apply strict scrutiny to all of Legislative defendants’
    Remedial Plans.
    ¶ 124         By its actions today, the majority confirms the dangers of judicial usurpation
    of the legislative redistricting role. By intentionally stating vague standards, it
    ensures that four members of this Court alone understand what redistricting plan is
    constitutionally compliant. Apparently, the General Assembly, the three Special
    Masters (each a former jurist), and the three-judge panel were unable to discern the
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    Newby, C.J., dissenting
    constitutional “standard” set out in Harper I. Only the four justices here know what
    meets their standard.
    ¶ 125          When the constitution expressly assigns a task to a particular branch of
    government, the constitution prohibits the judicial branch from intruding into that
    task. Such intrusion violates separation of powers; the issue is nonjusticiable.
    Similarly, a matter is nonjusticiable if there is “a lack of judicially discoverable and
    manageable standards for resolving it.” Id. ¶ 237 (Newby, C.J., dissenting) (quoting
    Baker v. Carr, 
    369 U.S. 186
    , 217, 
    82 S. Ct. 691
    , 710 (1962)). While the presence of
    either factor makes a matter nonjusticiable, both are present here.1
    ¶ 126          As previously stated,
    [t]he majority ignores [the Supreme Court’s] warnings,
    fails to articulate a manageable standard, and seems
    content to have the discretion to determine when a
    redistricting plan is constitutional. This approach is
    radically inconsistent with our historic standard of review,
    which employs a presumption that acts of the General
    Assembly are constitutional, requiring identification of an
    express constitutional provision and a showing of a
    violation of that provision beyond a reasonable doubt.
    The Supreme Court cautioned that embroiling
    courts in cases involving partisan gerrymandering claims
    1 The majority wrongly states that the presence of both factors is required to render
    an issue nonjusticiable. Harper I, 2022-NCSC-17, ¶ 112 (majority opinion) (“This Court has
    recognized two criteria of political questions: (1) where there is ‘a textually demonstrable
    constitutional commitment of the issue’ to the ‘sole discretion’ of a ‘coordinate political
    department[,]’ and (2) those questions that can be resolved only by making ‘policy choices
    and value determinations.’ ” (first alteration in original) (emphasis added) (quoting Bacon v.
    Lee, 
    353 N.C. 696
    , 717, 
    549 S.E.2d 840
    , 854 (2001))).
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    Newby, C.J., dissenting
    by applying an “expansive standard” would amount to an
    “unprecedented intervention in the American political
    process.”
    
    Id.
     ¶¶ 310−11 (quoting Rucho v. Common Cause, 
    139 S. Ct. 2484
    , 2498 (2019)). Sadly,
    the majority continues to do just that. I respectfully dissent.
    I.         Factual and Procedural History
    A. Initial Litigation
    ¶ 127            As required by both our state constitution and the Federal Constitution, the
    General Assembly, following the 2020 census, enacted redistricting plans for the
    North Carolina Senate and House of Representatives and for the North Carolina
    districts for the United States House of Representatives on 4 November 2021 (2021
    Plans). North Carolina League of Conservation Voters (NCLCV) plaintiffs and
    Harper plaintiffs each challenged the legality of these plans, arguing they
    “establish[ed] severe partisan gerrymanders” and “engag[ed] in racial vote dilution”
    in violation of the Free Elections Clause, the Equal Protection Clause, the Freedom
    of Speech and Assembly Clauses, and the Whole County Provisions of the North
    Carolina Constitution. See N.C. Const. art. I, §§ 10, 19, 12, 14; id. art. II, §§ 3(3), 5(3).
    Both groups of plaintiffs also sought a preliminary injunction to enjoin use of the 2021
    Plans.
    ¶ 128            The NCLCV and Harper actions were consolidated and assigned to a
    three-judge panel of the Superior Court in Wake County. On 3 December 2021, the
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    Newby, C.J., dissenting
    three-judge panel denied both NCLCV plaintiffs’ and Harper plaintiffs’ motions for
    preliminary injunction. NCLCV plaintiffs and Harper plaintiffs filed a notice of
    appeal with the North Carolina Court of Appeals.
    ¶ 129         The Court of Appeals denied NCLCV plaintiffs’ and Harper plaintiffs’ request
    for a temporary stay. NCLCV plaintiffs and Harper plaintiffs then filed several items
    with this Court, including two petitions for discretionary review prior to
    determination by the Court of Appeals, a motion to suspend appellate rules to
    expedite a decision, and a motion to suspend appellate rules and expedite schedule.
    On 8 December 2021, this Court allowed NCLCV plaintiffs’ and Harper plaintiffs’
    petitions for discretionary review, granted a preliminary injunction, and temporarily
    stayed the candidate filing period for the 2022 election cycle “until such time as a
    final judgment on the merits of [NCLCV and Harper] plaintiffs’ claims, including any
    appeals, is entered and [a] remedy, if any is required, has been ordered.” In the same
    order, this Court also directed the three-judge panel to hold proceedings on “the
    merits of plaintiffs’ claims and to provide a written ruling on or before . . . January
    11, 2022.”
    ¶ 130         Subsequently, Common Cause moved to intervene in the consolidated
    proceedings as a plaintiff on 13 December 2021. The three-judge panel granted
    Common Cause’s motion to intervene, and on 16 December 2021, Common Cause
    filed its complaint alleging the 2021 Plans violated the Equal Protection Clause, the
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    Newby, C.J., dissenting
    Free Elections Clause, and the Freedom of Speech and Freedom of Assembly Clauses
    of the North Carolina Constitution. Hereinafter, NCLCV plaintiffs, Harper plaintiffs,
    and Common Cause are collectively referred to as “plaintiffs.”
    ¶ 131         Legislative defendants filed their Answers on 17 December 2021. Thereafter,
    the parties engaged in an “expedited two-and-a-half-week” discovery period, during
    which the three-judge panel ruled on ten discovery-related motions and the parties
    collectively designated ten expert witnesses and submitted accompanying reports.
    Altogether, the parties collectively submitted over 1000 pages of reports and
    materials to the three-judge panel. After the discovery period closed on 31 December
    2021, the three-judge panel commenced a three-and-one-half day trial on 3 January
    2022 during which it received approximately 1000 exhibits into evidence and
    testimony from numerous fact and expert witnesses.
    ¶ 132         On 11 January 2022, the three-judge panel entered a judgment concluding that
    plaintiffs’ partisan gerrymandering claims presented nonjusticiable, political
    questions because redistricting “is one of the purest political questions which the
    legislature alone is allowed to answer.” Additionally, the three-judge panel concluded
    that the 2021 Plans did not violate North Carolina’s Declaration of Rights because
    “[t]he objective constitutional constraints that the people of North Carolina have
    imposed on legislative redistricting are found in Article II, Sections 3 and 5 of the
    -8-
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    Newby, C.J., dissenting
    1971 Constitution and not the Free Elections, Equal Protection, Freedom of Speech
    or Freedom of Assembly Clauses found in Article I of the 1971 Constitution.”
    ¶ 133         Pursuant to this Court’s 8 December 2021 order certifying the case for review
    prior to determination by the Court of Appeals, all plaintiffs filed notices of appeal to
    this Court from the three-judge panel’s judgment. The case was argued before this
    Court on 2 February 2022. On 4 February 2022, in a four-to-three decision, this Court
    entered an Order (Remedial Order) adopting the findings of fact from the three-judge
    panel’s judgment but concluding that the 2021 Plans were “unconstitutional beyond
    a reasonable doubt under the free elections clause, the equal protection clause, the
    free speech clause, and the freedom of assembly clause of the North Carolina
    Constitution.” The Remedial Order reversed and remanded the matter to the
    three-judge panel for remedial proceedings and noted that a full opinion would follow.
    Three justices filed a dissent to the Remedial Order.
    B. Harper I
    ¶ 134         Ten days later, the four-justice majority issued its full opinion. See Harper I,
    
    380 N.C. 317
    , 2022-NCSC-17. The majority opinion first held that “partisan
    gerrymandering claims are justiciable in North Carolina courts under the . . . [North
    Carolina] Declaration of Rights” because there are “several manageable standards
    for evaluating the extent to which districting plans dilute votes on the basis of
    partisan affiliation.” Id. ¶ 174. Specifically, the majority determined that various
    -9-
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    Newby, C.J., dissenting
    political science metrics could serve as a sufficient standard. See id. ¶¶ 163, 166–67.
    It indicated that a 1% or less Mean-Median Difference score and a 7% or less
    Efficiency Gap score could indicate a redistricting map is “presumptively
    constitutional.” See id. ¶¶ 166–67. The majority, however, refused to state a precise
    standard, ultimately leaving that review to themselves. Id. ¶ 163 (“We do not believe
    it prudent or necessary to, at this time, identify an exhaustive set of metrics or precise
    mathematical thresholds which conclusively demonstrate or disprove the existence of
    an unconstitutional partisan gerrymander.”).
    ¶ 135         Next, the majority held that “[p]artisan gerrymandering of legislative and
    congressional districts violates the free elections clause, the equal protection clause,
    the free speech clause, and the freedom of assembly clause” of the North Carolina
    Constitution. Id. ¶ 160. Specifically, the majority reasoned that these provisions
    reflect “the principle of political equality,” id. ¶ 158, which in turn requires that “the
    channeling of ‘political power’ from the people to their representatives in government
    through the democratic processes . . . must be done on equal terms,” id. Accordingly,
    the majority concluded that to comport with these provisions in the Declaration of
    Rights, the General Assembly “must not diminish or dilute on the basis of partisan
    affiliation any individual’s vote” because “[t]he fundamental right to vote includes the
    right to enjoy ‘substantially equal voting power and substantially equal legislative
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    Newby, C.J., dissenting
    representation.’ ” Id. ¶ 160 (quoting Stephenson v. Bartlett (Stephenson I), 
    355 N.C. 354
    , 382, 
    562 S.E.2d 377
    , 396 (2002)).
    ¶ 136         The majority determined that because “[t]he right to vote on equal terms is a
    fundamental right in this state,” strict scrutiny must apply once a party demonstrates
    that a redistricting plan “infringes upon his or her fundamental right to substantially
    equal voting power” based on partisan affiliation. Id. ¶ 181. To trigger strict scrutiny,
    the majority held that a party must demonstrate that a redistricting plan “makes it
    systematically more difficult for a voter to aggregate his or her vote with other
    likeminded voters.” Id. ¶ 180. A party may make this demonstration using a variety
    of political science-based metrics and tests such as:
    median-mean difference analysis; efficiency gap analysis;
    close-votes-close[-]seats analysis[;] partisan symmetry
    analysis; comparing the number of representatives that a
    group of voters of one partisan affiliation can plausibly
    elect with the number of representatives that a group of
    voters of the same size of another partisan affiliation can
    plausibly elect; and comparing the relative chances of
    groups of voters of equal size who support each party of
    electing a supermajority or majority of representatives
    under various possible electoral conditions. Evidence that
    traditional neutral redistricting criteria were subordinated
    to considerations of partisan advantage may be
    particularly salient in demonstrating an infringement of
    this right.
    Id. Once a party makes this initial demonstration, the challenged redistricting plan
    “is unconstitutional [unless] the State can[ ] establish that it is narrowly tailored to
    advance a compelling governmental interest.” Id. ¶ 181 (quoting Stephenson I, 355
    -11-
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    Newby, C.J., dissenting
    N.C. at 377, 
    562 S.E.2d at 393
    ). The majority opined that “compliance with traditional
    neutral districting principles, including those enumerated in [the Whole County
    Provisions] of the North Carolina Constitution,” might constitute a compelling
    governmental interest that would overcome strict scrutiny, but “[p]artisan
    advantage” is not. 
    Id.
    ¶ 137         The majority then applied these principles to the three-judge panel’s factual
    findings and determined that the evidence at trial demonstrated that all of the 2021
    Plans were partisan gerrymanders. Id. ¶ 178. The majority then applied strict
    scrutiny to each map and concluded that the 2021 Plans were not “carefully calibrated
    toward advancing some compelling neutral priority.” Id. ¶¶ 195, 213; see id. ¶ 205.
    To the contrary, the majority concluded that each map “prioritized considerations of
    partisan advantage above traditional neutral districting principles,” and therefore,
    “must be rejected.” Id. ¶ 213; see id. ¶¶ 195, 205.
    ¶ 138         The majority concluded its Harper I opinion by reversing and remanding the
    case to the three-judge panel and instructing the three-judge panel to “oversee the
    redrawing of the maps by the General Assembly, or, if necessary, by the court.” Id. ¶
    223. The three dissenting justices determined plaintiffs’ claims were non-justiciable.
    The dissent noted that our state constitution expressly assigns the redistricting
    responsibility to the General Assembly and that the majority failed to identify a
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    Newby, C.J., dissenting
    judicially discernable, manageable standard by which to adjudicate the partisan
    gerrymandering claims at issue. See id. ¶¶ 237−67 (Newby, C.J., dissenting).
    C. Remand
    1. Three-Judge Panel’s Initial Orders
    ¶ 139         This Court’s 4 February 2022 Remedial Order required an expedited process
    with abbreviated deadlines. The majority ordered the General Assembly to submit
    new congressional and state legislative districting plans “that satisfy all provisions
    of the North Carolina Constitution” by 18 February 2022. The Remedial Order also
    permitted plaintiffs to submit proposed remedial districting plans by the same
    deadline. The majority permitted all parties to file and submit comments on any of
    the submitted plans by 21 February 2022. The Remedial Order mandated that the
    three-judge panel “approve or adopt compliant congressional and state legislative
    districting plans no later than noon on 23 February 2022.” Any party could file an
    emergency application for stay pending appeal by 5:00 P.M. on that same day.
    ¶ 140         On 8 February 2022, the three-judge panel entered an order requiring that
    each party who submitted a proposed remedial plan must also submit a
    corresponding explanation of the “data and other considerations” used in creating the
    plan. Specifically, each party had to explain whether “traditional neutral districting
    criteria” were used, whether incumbency was considered, whether any partisan skew
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    Newby, C.J., dissenting
    “necessarily result[ed] from North Carolina’s unique political geography,” and any
    political science metrics utilized.
    ¶ 141         In the same 8 February 2022 order, the three-judge panel also informed the
    parties of its intent to appoint Special Masters to assist the panel in reviewing the
    parties’ proposed remedial plans and, if needed, in developing alternative remedial
    plans. The order permitted each party to submit to the three-judge panel suggested
    individuals to serve as a Special Master. Each of the parties submitted their
    suggestions, but the three-judge panel instead appointed three individuals of its own
    choosing—former jurists Robert F. Orr, Robert H. Edmunds, Jr., and Thomas W.
    Ross—in a 16 February 2022 order (Appointment Order).
    ¶ 142         The Appointment Order authorized the Special Masters to hire assistants
    “reasonably necessary to facilitate their work.” The Special Masters hired four
    advisors to assist in evaluating the Remedial Plans: Dr. Bernard Grofman, Dr. Tyler
    Jarvis, Dr. Eric McGhee, and Dr. Samuel Wang. Notably, two of the advisors—Dr.
    Grofman and Dr. Jarvis—were recommended by NCLCV plaintiffs as potential
    Special Masters, and at least one of the advisors—Dr. Wang—filed a brief in support
    of plaintiff Common Cause in previous litigation surrounding redistricting in North
    Carolina. See Brief of Amici Curiae Professors Wesley Pegden, Jonathan Rodden, and
    Samuel S.-H. Wang in Support of Appellees 2, Rucho v. Common Cause, 139 S. Ct.
    -14-
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    Newby, C.J., dissenting
    2484 (No. 05-1631). None of the advisors were recommended by Legislative
    defendants.
    2. General Assembly’s Remedial Process
    ¶ 143         The General Assembly enacted new congressional and legislative plans
    (Remedial Plans) on 17 February 2022 and timely submitted them to the three-judge
    panel on 18 February 2022. Per the three-judge panel’s 8 February 2022 and 16
    February 2022 orders, the General Assembly also submitted a detailed memorandum
    describing the data and process used to create the Remedial Plans.
    ¶ 144         The General Assembly understood Harper I as requiring it “to intentionally
    create more Democratic districts in the [Remedial Plans].” To achieve this task, the
    General Assembly started with a blank slate and followed the same process to create
    each map. Each redistricting committee kept the county groupings used for the 2021
    Plans as base maps. Accordingly, any single district county groupings from each of
    the 2021 Plans were carried over to the Remedial Plans; otherwise, each map was
    entirely new.
    ¶ 145         Next, each redistricting committee “dr[e]w new districts and ma[d]e
    adjustments tailored to legitimate criteria.” The General Assembly made the policy
    decision to utilize Caliper’s Maptitude redistricting software, a “widely accepted
    districting program,” to draw and analyze the Remedial Plans. The General Assembly
    chose Maptitude, as opposed to another redistricting software, because it is “widely
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    Newby, C.J., dissenting
    accepted” in the field of redistricting and is “used by a supermajority of the state
    legislatures, political parties, and public interest groups.” Overview: Maptitude for
    Redistricting Software, https://www.caliper.com/mtredist.htm (last visited Dec. 7,
    2022).
    ¶ 146             Although expressly prohibited by its previous redistricting criteria, the
    General Assembly “used partisan election data as directed by the Supreme Court’s
    Remedial Order” to achieve its goal of “intentionally creat[ing] more Democratic
    districts.” The General Assembly made the policy decision to utilize partisan data
    from the set of elections that plaintiffs’ expert, Dr. Mattingly, used to analyze the
    [2021 Plans]. This set of elections included: Lieutenant Governor 2016, President
    2016, Commissioner of Agriculture 2020, Treasurer 2020, Lieutenant Governor 2020,
    U.S. Senate 2020, Commissioner of Labor 2020, President 2020, Attorney General
    2020, Auditor 2020, Secretary of State 2020, and Governor 2020 (Mattingly Election
    Set). Non-partisan, central staff “loaded [the] partisan election data into Maptitude
    to view the projected effect on partisanship that resulted from changes to district
    lines.”
    ¶ 147             After Maptitude produced initial House, Senate, and congressional maps, the
    General Assembly analyzed the partisan fairness of each map using two political
    science metrics—the Mean-Median Difference and the Efficiency Gap. The General
    Assembly chose these two metrics because “they have been peer-reviewed in
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    Newby, C.J., dissenting
    numerous articles by numerous scholars[ ] and because there is some (but not
    uniform)   agreement     among   scholars     regarding    thresholds   for   measuring
    partisanship.” For each of these metrics, the General Assembly selected threshold
    scores that, if achieved, would indicate that the relevant map contained an acceptable
    level of partisan fairness under Harper I.
    ¶ 148         The General Assembly selected threshold scores based on general agreement
    among political scientists:
    [I]t is widely considered by academics that a mean-median
    as close to zero as possible, but under [1%] is
    “presumptively constitutional.” See Harper v. Hall, 2022
    NCSC-17 ¶166. On the efficiency gap, scholars including
    NCLCV’s Dr. Duchin have opined that anything below [8%]
    is presumptively legal while Dr. Jackman, used as an
    expert in Gill v. Whitford, and Common Cause v. Rucho,
    opined that anything below [7%] was constitutional.
    The General Assembly also selected these threshold scores because the Harper I
    majority opined that they could indicate a presumptively constitutional level of
    partisanship:
    [U]sing the actual mean-median difference measure, from
    1972 to 2016 the average mean-median difference in North
    Carolina’s congressional redistricting plans was 1%.
    Common Cause [v. Rucho], 318 F. Supp. 3d [777,] 893
    [(M.D.N.C. 2018)]. That measure instead could be a
    threshold standard such that any plan with a
    mean-median difference of 1% or less when analyzed using
    a representative sample of past elections is presumptively
    constitutional.
    -17-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    With regard to the efficiency gap measure, courts
    have found “that an efficiency gap above 7% in any
    districting plan’s first election year will continue to favor
    that party for the life of the plan.” Whitford v. Gill, 
    218 F. Supp. 3d 837
    , 905 (W.D. Wis. 2016) rev’d on other grounds,
    
    138 S. Ct. 1916
     (2018). It is entirely workable to consider
    the seven percent efficiency gap threshold as a
    presumption of constitutionality, such that absent other
    evidence, any plan falling within that limit is
    presumptively constitutional.
    Harper I, 2022-NCSC-17, ¶¶ 166–67 (majority opinion).
    ¶ 149          After making the policy choices of the political science metrics and threshold
    scores to be used, the General Assembly then adjusted each of the Remedial Plans
    until their Mean-Median Difference and Efficiency Gap scores were at or below the
    selected thresholds. After the adjustments were complete, Maptitude scored each of
    the Remedial Plans as follows:
    RHP               RSP                 RCP
    Mean-Median 0.7%                  0.65%               0.61%
    Efficiency      0.84%2            3.97%               5.29%
    Gap
    ¶ 150          Along with prioritizing the creation of more “purportedly Democratic leaning
    districts” and ensuring the Remedial Plans scored well on the selected metrics, the
    2 Legislative defendants were “unable to find a legislative plan passed anywhere else
    in the country with a lower efficiency gap” than the RHP. Thus, it would be unfair to use this
    Efficiency Gap score as a required standard.
    -18-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    General Assembly also focused on the “neutral and traditional redistricting criteria”
    used in creating the 2021 Plans unless those criteria conflicted with Harper I.
    ¶ 151         After drawing their respective plans, each chambers presented their plans to
    the relevant redistricting committee. The General Assembly enacted the Remedial
    Plans on 17 February 2022 and submitted them to the three-judge panel on 18
    February 2022.
    ¶ 152         After the General Assembly submitted the enacted Remedial Plans to the
    three-judge panel, plaintiffs submitted comments and objections. Significantly, none
    of the parties questioned the General Assembly’s policy decision to utilize Maptitude
    or to use the Mattingly Election Set. The Special Masters also submitted a report on
    the Remedial Plans primarily based on four reports submitted by the advisors.
    Notably, in crafting their reports, none of the advisors used the General Assembly’s
    chosen program, Maptitude, nor did they use the General Assembly’s chosen
    Mattingly Election Set. Further, none of the advisors worked together in analyzing
    the Remedial Plans, nor did they submit a singular report. Instead, each advisor used
    his own preferred approach and summarized that approach in his own report.3 The
    Special Masters’ Report found that the RHP and RSP met the requirements of Harper
    I but that the RCP did not. Because the Special Masters concluded that the RCP was
    3  Despite the majority’s numerous implications that the advisors filed a singular
    report, this is untrue. Each advisor used an individual approach and supplied his own
    individual analysis.
    -19-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    unconstitutional, they developed and submitted an alternative plan (Modified
    Congressional Plan), in consultation with one of the advisors, Dr. Bernard Grofman,
    for the three-judge panel to consider.4
    ¶ 153          In reviewing the Remedial Plans, the three-judge panel “adopt[ed] in full the
    findings of the Special Masters,” and, like the Special Masters, concluded that the
    4  One could legitimately question the objectivity of this court-appointed, de facto
    “redistricting commission” when one of the Special Masters publicly participated in
    advertisements for a Democratic candidate in a statewide senatorial campaign and for a
    Democratic congressional candidate in a district he created during this remedial process. See
    Jim Stirling, Former Justice Bob Orr Puts His Thumb on the Scale for Congressional
    Democrats, John Locke Foundation (Nov. 7, 2022), https://www.johnlocke.org/former-justice-
    bob-orr-puts-his-thumb-on-the-scale-for-congressional-democrats/. Given this Special
    Master’s direct participation in current elections involving a district he helped fashion, one
    wonders if the three-judge panel can allow his continued involvement.
    Furthermore, one of the advisors to the Special Masters—Dr. Wang—came under
    investigation earlier this year for allegedly manipulating data in favor of Democrats in his
    role as a redistricting expert in another state. See Princeton redistricting expert who analyzed
    N.C. voting maps faces university investigation, WRAL News (April 28, 2022, 6:02 PM),
    https://www.wral.com/princeton-redistricting-expert-who-analyzed-nc-voting-maps-faces-
    university-investigation/20256616/.
    Is the judicial creation of this “redistricting commission,” which favors the political
    alignment of the majority of this Court, consistent with the fact that our constitution assigns
    the duty of redistricting to the General Assembly, which the people elected in 2020 using
    court-approved maps?
    The majority upholds the three-judge panel’s denial of Legislative defendants’ motion
    to disqualify two of the Special Masters’ advisors for improper ex parte communications with
    some of plaintiffs’ experts. The motion, however, should have been allowed. The role of
    advisor—a purportedly neutral subject matter expert—to the three Special Masters is vital
    to a proper, unbiased evaluation of the legislative redistricting plans. The Special Masters,
    three-judge panel, and the majority, in reweighing the evidence, place great weight on the
    opinions of each of the advisors. If the challenged advisors had been judges who engaged in
    similar ex parte communications, they would have been removed from the case and possibly
    faced sanctions. If this de facto “redistricting commission” is to supervise the remedial
    redistricting process, it must be above reproach. The motion to disqualify Drs. Wang and
    Jarvis should have been granted.
    -20-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    RHP and RSP complied with the requirements of Harper I, but that the RCP was “not
    presumptively constitutional,” was “subject to strict scrutiny,” and was not “narrowly
    tailored to a compelling governmental interest.” Accordingly, the three-judge panel
    concluded the RCP was unconstitutional. To support its holding, the three-judge
    panel relied primarily on the “analysis performed by the Special Masters and their
    advisors,” and its conclusion that the RHP and RSP scored below the relevant
    thresholds for the Mean-Median Difference and Efficiency Gap metrics, but the RCP
    did not. The three-judge panel did not point to any other evidence regarding the
    purported level of partisan bias in the Remedial Plans.
    ¶ 154          Finally, because the three-judge panel rejected the General Assembly’s RCP,
    it adopted the Modified Congressional Plan recommended by the Special Masters. All
    parties appealed.5
    5Legislative defendants have moved to dismiss their appeal of the court-generated
    Modified Congressional Plan, recognizing that, by statute, it will not be reused now that the
    recent 2022 election cycle has concluded. This Court invariably allows parties to craft their
    own appeals. The majority, however, believing a dismissal could hinder its own, self-
    appointed redistricting authority, denies Legislative defendant’s motion. In doing so, the
    majority effectively punishes Legislative defendants for successfully seeking review by the
    Supreme Court of the United States of the role of state courts in congressional redistricting
    under the Federal Constitution. See Moore v. Harper, cert. granted, 
    1425 S. Ct. 2901
     (2022).
    -21-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    II.        Standards of Review
    A. Presumption of Constitutionality
    ¶ 155           In reviewing an act of the General Assembly, this Court is guided by a specific
    and binding standard of review—the presumption of constitutionality. See generally
    State ex rel. McCrory, 368 N.C. at 639, 781 S.E.2d at 252. The presumption of
    constitutionality has been well established for over 150 years. See, e.g., Holton v. Bd.
    of Comm’rs, 
    93 N.C. 430
    , 435 (1885). This standard sets a high bar which only the
    highest quantum of proof—proof beyond a reasonable doubt—will overcome, and the
    party challenging a statute bears the burden of establishing its unconstitutionality.
    Jenkins, 180 N.C. at 172, 
    104 S.E. at 348
     (“The party who undertakes to pronounce a
    law unconstitutional takes upon himself the burden of proving beyond any reasonable
    doubt that it is so.”).
    ¶ 156           The presumption of constitutionality is not merely a standard of review; it is a
    function of the fundamental separation-of-powers principle found in Article I, Section
    6 of our constitution: “The legislative, executive, and supreme judicial powers of the
    State government shall be forever separate and distinct from each other.”
    Unquestionably, the separation-of-powers principle
    is the rock upon which rests the fabric of our government.
    Indeed, the whole theory of constitutional government in
    this State and in the United States is characterized by the
    care with which the separation of the departments has
    been preserved, and by a marked jealousy of encroachment
    by one upon another.
    -22-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    Person v. Bd. of State Tax Comm’rs, 
    184 N.C. 499
    , 502, 
    115 S.E. 336
    , 339 (1922).
    ¶ 157          The separation-of-powers clause is located within the Declaration of Rights in
    Article I, which is an expressive yet nonexhaustive list of protections afforded to
    citizens against governmental intrusion, along with “the ideological premises that
    underlie the structure of government.” John V. Orth & Paul Martin Newby, The
    North Carolina State Constitution 46 (2d ed. 2013) [hereinafter State Constitution].
    Placement of the separation-of-powers clause in the Declaration of Rights suggests
    that keeping each branch within its described spheres protects the people by limiting
    overall governmental power. The clause does not establish the various powers but
    simply states the powers of the branches are “separate and distinct.” N.C. Const. art.
    I, § 6. Subsequent constitutional provisions develop the nature of those powers. State
    Constitution 46 (“Basic principles, such as popular sovereignty and separation of
    powers, are first set out in general terms, to be given specific application in later
    articles.”).
    ¶ 158          Because “a constitution cannot violate itself,” Leandro v. State, 
    346 N.C. 336
    ,
    352, 
    488 S.E.2d 249
    , 258 (1997), a branch’s exercise of its express, constitutional
    authority      by   definition   comports   with    the   separation-of-powers   principle.
    Accordingly, a violation of separation of powers only occurs when one branch of
    government exercises, or prevents the exercise of, a power reserved for another
    branch of government. State ex rel. McCrory, 368 N.C. at 650, 781 S.E.2d at 259
    -23-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    (Newby, J., concurring in part and dissenting in part). Understanding the prescribed
    powers of each branch is the basis for stability, accountability, and cooperation within
    state government. See State v. Emery, 
    224 N.C. 581
    , 584, 587−88, 
    31 S.E.2d 858
    , 861,
    863−64 (1944).
    ¶ 159         The legislative power is vested in the General Assembly because “all people
    are present there in the persons of their representatives,” State Constitution 95, and,
    therefore, the people act through the General Assembly, see Baker v. Martin, 
    330 N.C. 331
    , 336−37, 
    410 S.E.2d 887
    , 890 (1991). Pursuant to the text of the constitution, the
    General Assembly primarily exercises the people’s political power though statutory
    enactments. See N.C. Const. art. II, §§ 22−23.
    ¶ 160         Relevant here, the General Assembly enacts redistricting plans through
    statute. In fact, both the Federal Constitution and the North Carolina Constitution
    expressly assign redistricting authority to the legislature. U.S. Const. art. I, § 4, cl.
    1; N.C. Const. art. II, §§ 3, 5. Our state constitution also provides explicit limitations
    on the General Assembly’s redistricting authority. N.C. Const. art. II. §§ 3, 5
    (providing that each state Senator and state Representative must represent an equal
    number of people, each senate and representative district must consist of a
    contiguous territory, and senate and representative districts may not unduly divide
    counties).
    -24-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    ¶ 161          The common law provided, and now the General Statutes provide, a limited
    role for the courts in reviewing the General Assembly’s redistricting plans. See
    N.C.G.S. § 120-2.3 to -2.4 (2021). The General Assembly enacted these statutory
    provisions in 2003 to limit and codify the common law process by which courts had
    been reviewing redistricting plans for some time. See An Act to Establish House
    Districts, Establish Senatorial Districts, and Make Changes to the Election Laws and
    to Other Laws Related to Redistricting, S.L. 2003-434, §§ 7−9, 2003 N.C. Sess. Laws
    (1st Extra Sess. 2003) 1313, 1415−16; Stephenson I, 
    355 N.C. at 385
    , 
    562 S.E.2d at 398
    . In fact, the General Assembly enacted these statutory provisions limiting the
    judicial branch’s role in response to this Court’s involvement in the redistricting
    process in 2001. See Stephenson v. Bartlett (Stephenson III), 
    358 N.C. 219
    , 221−22,
    
    595 S.E.2d 112
    , 114−15 (2004). No doubt these limiting provisions, N.C.G.S. § 120-2.3
    to -2.4; N.C.G.S. § 1-267.1 (2021), are in keeping with our federal and state
    constitutional provisions, U.S. Const. art. I, § 4, cl. 1; N.C. Const. art. II, §§ 3, 5.
    ¶ 162          Section 1-267.1 requires that a three-judge panel hear challenges to
    redistricting plans. N.C.G.S. § 1-267.1. Specifically, under N.C.G.S. § 120-2.3, courts
    review challenges regarding whether a redistricting plan is “unconstitutional or
    otherwise invalid.” N.C.G.S. § 120-2.3. If a court finds a redistricting plan is
    unconstitutional, it must give the General Assembly an opportunity to remedy the
    identified defects by enacting a new redistricting plan. N.C.G.S. § 120-2.4(a). By
    -25-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    statute, a court may not impose a remedial redistricting plan of its own unless “the
    General Assembly does not act to remedy” those defects. N.C.G.S. § 120-2.4(a1). Even
    then, a court-imposed redistricting plan may only differ from the General Assembly’s
    enacted plan “to the extent necessary to remedy” the defects identified by the court
    and will only be used for the next general election. Id. After the next general election,
    the General Assembly will replace the court-imposed map with a new, legislatively
    enacted map. This limited role of judicial review comports with the principle of
    separation of powers because it respects that redistricting “is a legislative
    responsibility.” Stephenson III, 
    358 N.C. at 230
    , 
    595 S.E.2d at 119
     (“Not only do these
    statutes allow the General Assembly to exercise its proper responsibilities, they
    decrease the risk that the courts will encroach upon the responsibilities of the
    legislative branch.”).6
    ¶ 163          Without question, the legislative and policymaking powers belong to the
    General Assembly. Rhyne v. K-Mart Corp., 
    358 N.C. 160
    , 169, 
    594 S.E.2d 1
    , 8 (2004).
    Because the people have granted the legislative power, including the specific power
    6  In its remand instructions, the majority instructs the “[three-judge panel] to oversee”
    the redrawing of new senatorial districts. Harper v. Hall (Harper II), 2022-NCSC-121, ¶ 114.
    Pursuant to N.C.G.S. § 120-2.4(a), however, the General Assembly elected in November 2022
    must have the first opportunity to redraw the RSP. See Pender County v. Bartlett, 
    361 N.C. 491
    , 509, 
    649 S.E.2d 364
    , 376 (2007) (striking a remedial legislative plan and remanding it
    to the General Assembly to redraw it for a second time, noting that “[r]edistricting is a
    legislative responsibility, [and] N.C.G.S. §§ 120-2.3 and 120-2.4 give the General Assembly a
    first, limited opportunity to correct the plans that the courts have determined are flawed.”
    (second alteration in original) (quoting Stephenson III, 358 N.C. at 230, 
    595 S.E.2d 119
    )).
    -26-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    of redistricting, exclusively to the General Assembly, see N.C. Const. art. II, §§ 1, 3,
    5, the judicial branch should exercise its power to declare statutes unconstitutional
    with “great reluctance,” Bayard v. Singleton, 
    1 N.C. (Mart.) 5
    , 6 (1787), “recognizing
    that when it strikes down an act of the General Assembly, [it] is preventing an act of
    the people themselves,” State ex rel. McCrory, 368 N.C. at 650, 781 S.E.2d at 259
    (citing Baker, 
    330 N.C. at
    336−37, 
    410 S.E.2d at 890
    ).
    ¶ 164         The presumption of constitutionality, therefore, is a limiting tool of judicial
    review that helps the judicial branch avoid encroaching on the General Assembly’s
    legislative authority. Where a statute is susceptible to two interpretations, one that
    is constitutional and one that is not, courts must adopt the former. Wayne Cnty.
    Citizens Ass’n v. Wayne Cnty. Bd. of Comm’rs, 
    328 N.C. 24
    , 29, 
    399 S.E.2d 311
    , 315
    (1991). Courts will not declare a statute void unless that “conclusion is so clear that
    no reasonable doubt can arise, or the statute cannot be upheld on any reasonable
    ground.” 
    Id.
     (citing Poor Richard’s, Inc. v. Stone, 
    322 N.C. 61
    , 63, 
    366 S.E.2d 697
    , 698
    (1988)). Presuming that a statutory enactment is constitutional and resolving every
    doubt in favor of the statute ensures that the Court will not inadvertently prevent a
    lawful exercise of legislative power.
    ¶ 165         This exercise of judicial restraint is especially necessary to counterbalance the
    power of judicial review because our constitution does not enable the other branches
    to check our exercise of the judicial power to strike down statutes:
    -27-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    The power of declaring laws unconstitutional should
    always be exercised with extreme caution, and every doubt
    resolved in favor of the statute. As has been well said, these
    rules are founded on the best of reasons, because, while the
    supreme judicial power may interfere to prevent a
    legislative, and other departments, from exceeding their
    powers, no tribunal has yet been devised to check the
    encroachments of the judicial power itself.
    Jenkins, 180 N.C. at 170, 104 S.E.2d. at 347. Applying the presumption of
    constitutionality and adhering to its separation-of-powers principles, courts should
    presume that the General Assembly’s policy decisions, made while acting pursuant
    to its legislative authority, are constitutional.
    ¶ 166         In this case, the General Assembly made various policy decisions during each
    step of the remedial map-drawing process, such as the decision to use Maptitude or
    to obtain partisan election data from the Mattingly Election Set. Accordingly, the
    three-judge panel should have started from the presumption that these policymaking
    decisions were constitutional. Then it should have reviewed the evidence to determine
    if, beyond a reasonable doubt, one or more of those policy decisions was arbitrary,
    flawed, or unreasonable so as to render at least one of the Remedial Plans
    unconstitutional. For example, such evidence might show that Maptitude is a
    defective software that vastly undercalculated the Remedial Plans’ Mean-Median
    Difference and Efficiency Gap scores or that the Mattingly Election Set contained
    flawed data. If the evidence supported a determination that these policy decisions
    were constitutionally flawed beyond a reasonable doubt, only then could the
    -28-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    three-judge panel have declared the affected map or maps constitutionally invalid. If
    the evidence did not demonstrate this sort of constitutional defect, however, it would
    be insufficient to overcome the presumption, and the three-judge panel would have
    been required to uphold the Remedial Plans. Accordingly, we consider whether the
    three-judge panel’s “findings of fact and conclusions of law were appropriate and
    adequate” in approving the RSP and RHP and rejecting the RCP. Stephenson v.
    Bartlett (Stephenson II), 
    357 N.C. 301
    , 309, 
    582 S.E.2d 247
    , 252 (2003).
    B. Findings of Fact and Conclusions of Law
    ¶ 167         In cases such as this one, in which the trial court presides over a trial without
    a jury, this Court’s role of review is very limited. See Bailey v. State, 
    348 N.C. 130
    ,
    146, 
    500 S.E.2d 54
    , 63 (1998). In reviewing a trial court’s findings of fact, “we are
    ‘strictly limited to determining whether the trial judge’s underlying findings of fact
    are supported by competent evidence.’ ” State v. Williams, 
    362 N.C. 628
    , 632, 
    669 S.E.2d 290
    , 294 (2008) (quoting State v. Cooke, 
    306 N.C. 132
    , 134, 
    291 S.E.2d 618
    ,
    619 (1982)). If the trial court’s findings of fact are supported by competent evidence,
    the findings “have the force and effect of a jury verdict and are conclusive on appeal
    if there is competent evidence to support them.” Stephenson II, 
    357 N.C. at 309
    , 
    582 S.E.2d at 252
     (quoting Bailey, 
    348 N.C. at 146
    , 
    500 S.E.2d at 63
    ). Such findings are
    binding on appeal even if the “evidence is conflicting,” Williams, 
    362 N.C. at 632
    , 
    669 S.E.2d at 294
     (quoting State v. Smith, 
    278 N.C. 36
    , 41, 
    178 S.E.2d 597
    , 601 (1971)),
    -29-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    and “could be viewed as supporting a different finding,” Stephenson II, 
    357 N.C. at 309
    , 
    582 S.E.2d at 252
     (quoting Bailey, 
    348 N.C. at 146
    , 
    500 S.E.2d at 63
    ); see also
    Biggs v. Lassiter, 
    220 N.C. 761
    , 770, 
    18 S.E.2d 419
    , 424 (1942) (noting that a trial
    court’s findings of fact are binding on appeal “unless there is no sufficient evidence to
    support them, or error has been committed in receiving or rejecting testimony upon
    which they are based, or some other question of law is raised with respect to said
    findings”). Where contradictory evidence exists, “the trial judge is in the best position
    to ‘resolve the conflict.’ ” Williams, 
    362 N.C. at 632
    , 
    669 S.E.2d at 294
     (quoting Smith,
    
    278 N.C. at 41
    , 
    178 S.E.2d at 601
    ). Likewise, the trial court determines the amount
    of weight given to various pieces of evidence. In re I.K., 
    377 N.C. 417
    , 2021-NCSC-60,
    ¶ 25 (“It is the trial court’s responsibility to pass upon the credibility of the witnesses
    and the weight to be given their testimony . . . .” (quoting In re G.G.M., 
    377 N.C. 29
    ,
    2021-NCSC-25, ¶ 18)).
    ¶ 168          If we conclude that competent evidence supports the trial court’s findings of
    fact, “we must then determine whether those findings of fact support the conclusions
    of law.” Stephenson II, 
    357 N.C. at 309
    , 
    582 S.E.2d at 252
    . We review a trial court’s
    conclusions of law de novo. State v. Biber, 
    365 N.C. 162
    , 168, 
    712 S.E.2d 874
    , 878
    (2011).
    III.      Analysis
    -30-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    ¶ 169          Here the majority upholds the three-judge panel’s approval of the RHP but
    finds unconstitutional the RSP. It affirms the three-judge panel’s conclusion that the
    RCP was unconstitutional and upholds the Modified Congressional Plan redrawn by
    the Special Masters. To reach these holdings, the majority briefly mentions the
    appropriate standards of review but then, when necessary, circumvents those
    standards to reach its desired results. The majority fails to apply the presumption of
    constitutionality in a manner consistent with our precedent and the textual allocation
    of power between the branches of government. Likewise, the majority fails to
    consistently limit itself to considering whether the three-judge panel’s underlying
    findings of fact are supported by competent evidence. Instead, the majority freely
    reweighs and distorts evidence that is essentially the same to support two conflicting
    results—affirmation of the RHP but reversal of the RSP. The majority strips the
    three-judge panel of its responsibility to assess credibility and distribute weight to
    the evidence and freely substitutes its own judgment regarding weight and
    credibility.
    ¶ 170          The three-judge panel relied heavily on each map’s Mean-Median Difference
    and Efficiency Gap scores in forming its findings of fact and reaching its ultimate
    conclusions of law. It focused on these metrics because in Harper I the majority
    identified threshold scores for these metrics that it said could serve as safe harbors
    of constitutionality. See Harper I, 2022-NCSC-17, ¶¶ 166–67. Here there is competent
    -31-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    evidence to support the three-judge panel’s findings of fact that both the RHP and the
    RSP satisfy those thresholds. Nevertheless, the majority insists that the three-judge
    panel correctly approved the RHP but somehow incorrectly approved the RSP. The
    only explanation is that the majority has shaped its analysis to ensure a
    predetermined outcome.
    ¶ 171         Additionally, the majority affirms the three-judge panel’s erroneous rejection
    of the RCP. The three-judge panel failed to give the RCP the correct presumption of
    constitutionality because it did not defer to the General Assembly’s policy choices to
    use Maptitude and the Mattingly Election Set. It then adopted the Special Masters’
    summary rejection of the RCP and accepted the Special Masters’ Modified
    Congressional Map.
    ¶ 172         The dissent in Harper I forecasted the incongruent results the majority reaches
    today. The majority’s result confirms that there is no discernable, manageable
    standard by which to adjudicate partisan gerrymandering claims. See id. ¶ 241
    (Newby, C.J., dissenting). Even though the majority insists that the General
    Assembly’s Remedial Plans must pass the Harper I tests to be entitled to the
    presumption of constitutionality, see id. ¶ 163 (majority opinion), it now changes the
    tests. Further, this analysis flips the presumption of constitutionality on its head and
    permits the majority to select pieces of data from four, court-appointed political
    scientists and evidence presented by plaintiffs to uphold the redistricting plans it
    -32-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    finds politically favorable and reject those that it does not. As discussed in the dissent
    in Harper I, the majority disingenuously commandeered this heightened standard
    approach from Stephenson I, 
    355 N.C. at
    383−84, 
    562 S.E.2d at
    396−97. See 
    id.
     ¶¶
    258−59 (Newby, C.J., dissenting). In Stephenson I, however, this Court overcame the
    presumption of constitutionality by applying clear standards derived from the text of
    the constitution itself, rather than the ever-changing, nebulous “standards” of the
    majority’s results-oriented approach.
    A. Remedial House Plan
    ¶ 173         On remand, the General Assembly made the policy decision to use Maptitude
    along with partisan election data from its chosen Mattingly Election Set to draw and
    adjust the Remedial Plans until each fell within the Mean-Median Difference and
    Efficiency Gap thresholds identified by this Court in Harper I. The General Assembly
    chose to use the Mean-Median Difference and Efficiency Gap scores, as opposed to
    other tests, because these metrics have been peer-reviewed extensively and because
    scholars generally agree on the appropriate thresholds for measuring partisanship
    with these metrics. As measured by Maptitude, the RHP satisfied these threshold
    standards:
    RHP
    Mean-Median 0.7%
    Efficiency          0.84%
    Gap
    -33-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    ¶ 174         In its order, the three-judge panel relied primarily on the reports of its Special
    Masters in making its findings of fact. Specifically, the Special Masters reviewed the
    “submissions from all of the parties as well as the reports of the advisors” and
    materials from the parties’ “experts.” In all, this evidence included twelve
    submissions and briefs from the parties, seven reports and affidavits from the parties’
    experts, and four reports from the Special Masters’ advisors, totaling 716 pages. The
    Special Masters also considered the “findings of the advisors on the partisan
    symmetry analysis, the declination metrics, and their opinions on partisan bias and
    evidence of partisan gerrymandering.” The advisors’ evidence was extensive and
    diverse and included an array of partisan fairness metrics, differing counts of
    “competitive” seats, measures of compactness, and graphic comparisons to ensemble
    maps. Of note, each advisor submitted a separate report. They did not submit a single
    collective report as indicated by the majority. “Considering all of this information as
    well as the totality of circumstances,” the Special Masters concluded that the RHP
    “meets the test of presumptive constitutionality . . . under the metrics identified by
    the North Carolina Supreme Court.”
    ¶ 175         In turn, the three-judge panel “adopt[ed] in full the findings of the Special
    Masters” and reviewed “all remedial and alternative plans . . . as well as additional
    documents, materials, and information pertaining to the submitted plans” in making
    “additional specific findings” on the Remedial Plans. First, the three-judge panel
    -34-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    summarized the General Assembly’s process for drawing and analyzing all the
    Remedial Plans and found that it was constitutionally compliant:
    13.     The General Assembly’s Remedial Criteria
    governing the remedial map drawing process were those
    neutral and traditional redistricting criteria adopted by the
    Joint Redistricting Committees on August 12,
    2021 . . . unless the criteria conflicted with the Supreme
    Court Remedial Order and full opinion.
    14.     Although expressly forbidden by the
    previously-used August 2021 Criteria, the General
    Assembly as part of its Remedial Criteria intentionally
    used partisan election data as directed by the Supreme
    Court’s Remedial Order. The General Assembly did so by
    loading such data into Maptitude, the map drawing
    software utilized by the General Assembly in creating
    districting plans . . . .
    15.    The Court finds that the General Assembly’s
    use of partisan data in this manner comported with the
    Supreme Court Remedial Order.
    The three-judge panel then addressed the RHP specifically, finding that it contained
    “key differences” that rendered it more competitive than the 2021 House Plan, that
    the General Assembly appropriately balanced incumbency protection with
    “traditional neutral districting criteria,” that the RHP was “satisfactorily within the
    statistical ranges set forth in [Harper I],” and that any “partisan skew” remaining in
    the RHP was “explained by the political geography of North Carolina.”
    ¶ 176         Based on these findings, the three-judge panel concluded that the RHP
    “satisfies th[is] [ ] Court’s standards” in Harper I, and that none of the evidence
    -35-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    presented was “sufficient to overcome th[e] presumption” that the RHP was
    constitutional. Accordingly, the three-judge panel approved the RHP.
    ¶ 177          The majority upholds the RHP by finding that competent evidence supports
    the relevant findings of fact which in turn support the conclusion that the RHP is
    constitutional. This result is correct, but the majority reaches it for the wrong
    reasons. In concluding that the relevant findings of fact are supported by competent
    evidence, the majority looks only to the evidence submitted by the Special Masters’
    advisors and does not even mention Legislative defendants’ data or chosen remedial
    process. For example, the majority notes that “[t]he Special Masters’ [a]dvisors
    determined that the RHP yields an average [E]fficiency [G]ap of about 2.88%, [and]
    an average [M]ean-[M]edian [D]ifference of about 1.27%,”7 but does not acknowledge
    that Legislative defendants calculated an Efficiency Gap of 0.84% and a
    Mean-Median Difference of 0.70% using Maptitude and the Mattingly Election Set.
    Harper II, 2022-NCSC-121, ¶ 93.
    ¶ 178          The majority’s approach is inappropriate because, as already noted, the proper
    starting point when reviewing an act of the General Assembly is to exercise the
    7 Nowhere in Harper I does the majority mention using averages of Mean-Median
    Difference and Efficiency Gap scores to assess a map’s partisan fairness. By definition, to
    determine an average requires giving equal weight to each score. Nevertheless, the majority
    now relies on these average scores in upholding the RHP, despite the fact that its calculation
    of the RHP’s average Mean-Median Difference is significantly outside its stated parameter
    of 1% or less.
    -36-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    presumption that the General Assembly’s policy choices are constitutional. This
    Court should presume the General Assembly’s policy choices, such as the use of
    Maptitude or the Mattingly Election Set, were constitutional and only review the
    advisors’ reports to see whether they rebut the presumption beyond a reasonable
    doubt. The majority does the opposite, however.
    ¶ 179         No one alleged the General Assembly’s policy decisions—such as, which
    redistricting   software   and   which     partisan        election   data   to   use—were
    unconstitutional. There was no evidence to that effect in the record. Thus, by looking
    exclusively to the advisors’ evidence and ignoring entirely Legislative defendants’
    evidence, the majority’s analysis defers to the advisors’ methods and reports and uses
    them to build a case that the RHP is constitutional.
    ¶ 180         The majority’s approach is erroneous because it adopts the advisors’ policy
    determinations—that is, their selected analyses—as the redistricting standard. Such
    an approach reverses the presumption of constitutionality because it no longer
    requires the evidence to demonstrate that the General Assembly’s plan fails to meet
    an objective standard of constitutionality. Instead, it requires the General Assembly
    to show that some group of unspecified political scientists agree that its policy
    determinations meet constitutional muster. This backwards approach permits the
    majority to weigh the various redistricting approaches from the individual advisors
    as it sees fit, rather than deferring to the General Assembly’s selected redistricting
    -37-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    approach. As a result, the majority can select the evidence that supports its preferred
    outcome and reject the evidence that does not.
    ¶ 181         With the RHP, the majority happened to reach the correct result without giving
    proper deference to the legislative branch’s policy choices. Following this same
    approach, however, enables the majority to reach a contradictory result with the RSP.
    A comparison of the majority’s treatment of the RSP with its treatment of the RHP
    demonstrates the inherent flaws in the majority’s approach.
    B. Remedial Senate Plan
    ¶ 182         Despite the three-judge panel’s upholding of the RHP, as recommended by the
    Special Masters, the majority declines to give the RSP a presumption of
    constitutionality, applies strict scrutiny, and determines that it is unconstitutional
    beyond a reasonable doubt. The majority arrives at this conclusion despite the fact
    that the evidence regarding the RSP and the RHP is very similar. Considered
    together, the majority’s holdings regarding the RSP and the RHP make clear that it
    is simply reweighing and, at times, mischaracterizing the evidence in order to reach
    its preferred outcome.
    ¶ 183         On remand, the General Assembly made the exact same policy choices and
    followed the exact same redrawing process for the RSP as it did for the RHP. It
    utilized Maptitude and the partisan election data from the Mattingly Election Set to
    draw and adjust the RSP until the RSP fell within the Mean-Median Difference and
    -38-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    Efficiency Gap thresholds identified by this Court in Harper I. Just like the RHP, the
    RSP, as measured by Maptitude, satisfied the Harper I threshold standards:
    RSP
    Mean-Median 0.65%
    Efficiency          3.97%
    Gap
    ¶ 184         Likewise, the Special Masters considered very similar evidence in assessing
    the RSP as they did in assessing the RHP. Notably, from their weighing of this
    evidence the Special Masters made almost identical findings regarding the RHP and
    the RSP:
    I.      Proposed Remedial House Plan
    The advisors as well as the experts of the parties (“experts”)
    all found the efficiency gap of the proposed [RHP] to be less
    than 7%. The majority of the advisors and experts found
    the mean-median difference of the proposed [RHP] to be
    less than 1%. In addition to these facts, the Special Masters
    considered the findings of the advisors on the partisan
    symmetry analysis, the declination metrics, and their
    opinions on partisan bias and evidence of partisan
    gerrymandering. Considering all of this information as
    well as the totality of circumstances, the Special Masters
    conclude under the metrics identified by the North
    Carolina Supreme Court that the proposed [RHP] meets
    the test of presumptive constitutionality. Further the
    Special Masters did not find substantial evidence to
    overcome the presumption of constitutionality and
    recommend to the [three-judge panel] that it give
    appropriate deference to the General Assembly and uphold
    the constitutionality of the [RHP].
    -39-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    II.    Proposed Remedial Senate Plan
    All of the advisors and experts found the efficiency gap of
    the proposed [RSP] to be less than 7%. The majority of the
    advisors and experts found the mean-median difference of
    the proposed [RSP] to be less than 1%. In addition to these
    facts, the Special Masters considered the findings of the
    advisors on the partisan symmetry analysis, the
    declination metrics, and their opinions on partisan bias
    and evidence of partisan gerrymandering. Considering all
    of this information as well as the totality of circumstances,
    the Special Masters conclude under the metrics identified
    by the North Carolina Supreme Court [that] the [RSP]
    meets the test of presumptive constitutionality. Further
    the Special Masters did not find substantial evidence to
    overcome the presumption of constitutionality and
    recommend to the [three-judge panel] that it give
    appropriate deference to the General Assembly and uphold
    the constitutionality of the [RSP].
    ¶ 185         In turn, the three-judge panel adopted these findings “in full” and found that
    they demonstrated that the RHP and RSP “meet the requirements of [Harper I].” The
    panel also made “additional specific findings” regarding each plan. Similar to the
    Special Masters’ findings, the three-judge panel’s specific findings regarding the RSP
    and RHP were nearly identical:
    36.    In determining the base map for the State
    Senate Districts, the Senate also started from scratch. The
    Senate altered two county groupings and adopted
    groupings for Senate Districts 1 and 2 that were preferred
    by Common Cause Plaintiffs. The remaining county
    groupings remained the same. As a result, the 13
    wholly-contained single district county groupings in the
    [RSP] were kept from the [2021 Senate] Plan.
    ....
    -40-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    39.    The process for the development of the
    Remedial Senate Plan began with separate maps being
    drawn by the Senate Democratic Caucus and the
    Republican Redistricting and Election Committee
    members, respectively. The plans were then exchanged
    and discussed; however, after the two groups could not
    come to a resolution, the plan proposed by the Republican
    Redistricting and Election Committee members was then
    put to a vote by the Senate Committee and advanced to the
    full chamber.
    40.    The [RSP] includes ten districts that were
    within ten points in the 2020 presidential race.
    41.     The [RSP] reflects key differences from the
    2021 [ ] Senate Plan in the projected partisan makeup of
    districts in certain county groupings.
    a. In   the    Cumberland-Moore      County
    grouping, Senate District 21 is now more
    competitive.
    b. In the Iredell-Mecklenburg County
    grouping, one district is more competitive.
    c. In New Hanover County, the districts
    were made more competitive, resulting in
    a Senate District 7 that leans Democratic.
    d. In Wake County, Senate Districts 17 and
    18 are more Democratic leaning.
    42.    The Court finds, based upon the analysis
    performed by the Special Masters and their advisors, that
    the [RSP] is satisfactorily within the statistical ranges set
    forth in the Supreme Court’s full opinion. See Harper v.
    Hall, 2022-NCSC-17, ¶ 166 ([M]ean-[M]edian [D]ifference
    of 1% or less) and ¶ 167 ([E]fficiency [G]ap less than 7%).
    -41-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    43.   The Court finds that to the extent there
    remains a partisan skew in the [RSP], that partisan skew
    is explained by the political geography of North Carolina.
    ....
    51.    In determining the base map for the State
    House Districts, the House started from scratch after
    keeping only the 14 districts that were the product of single
    district county groupings.
    ....
    54.     The [RHP] reflects key differences from the
    2021 [ ] House Plan in the projected partisan makeup of
    districts in certain county groupings.
    a. Buncombe County, which consisted of 1
    Republican and 2 Democratic districts in
    the [2021 House] Plan, consists of 3
    Democratic districts in the [RHP].
    b. Pitt County, which consisted of 1
    Republican and 1 Democratic district in
    the [2021 House] Plan, consists of 2
    Democratic districts in the [RHP].
    c. Guilford County now consists           of   6
    Democratic leaning districts.
    d. Cumberland County now consists of 3
    Democratic districts and 1 competitive
    district.
    e. Mecklenburg and Wake Counties now
    consist of 13 Democratic leaning districts
    each.
    f. New Hanover, Cabarrus, and Robeson
    Counties now contain an additional
    -42-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    competitive district each.
    55.     The Court finds, based upon and confirmed by
    the analysis of the Special Masters and their advisors, that
    the [RHP] [is] satisfactorily within the statistical ranges
    set forth in the Supreme Court’s full opinion. See Harper v.
    Hall, 2022-NCSC-17, ¶166 ([M]ean-[M]edian [D]ifference
    of 1% or less) and ¶167 ([E]fficiency [G]ap less than 7%).
    56.   The Court finds that to the extent there
    remains a partisan skew in the [RHP], that partisan skew
    is explained by the political geography of North Carolina.
    ¶ 186            The evidence underlying the three-judge panel’s findings of fact regarding the
    RHP’s and RSP’s Mean-Median and Efficiency Gap scores was also characteristically
    the same. Both sets of findings were based on “the analysis of the Special Masters
    and their advisors”:
    Remedial Senate Plan
    Grofman    McGhee        Wang      Jarvis       Mattingly    Barber       Maptitude
    6 election Planscore     2016-                  16     new   General
    composite                2020                   Election     Assembly’s
    Composite    Mattingly
    Election
    Set
    Mean-        0.77%       2.2%         0.8%      1.4%         1.3%         0.65%        0.63%
    Median
    Diff.
    Efficiency   4.24%       4.8%         2.2%      4.0%         4.07%        3.97%        3.98%
    Gap
    Remedial House Plan
    -43-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    Grofman    McGhee         Wang      Jarvis       Mattingly    Barber       Maptitude
    6 election Planscore      2016-                  16     new   General
    composite                 2020                   Election     Assembly’s
    Composite    Mattingly
    Election
    Set
    Mean-        0.89%        1.4%         0.9%      1.5%         1.45%        0.7%         0.71%
    Median
    Diff.
    Efficiency   2.72%        3.0%         3.1%      2.7%         3.23%        0.84%        0.84%
    Gap
    For both plans, at least four advisors and experts calculated a Mean-Median
    Difference score of less than 1%, and all of the advisors and experts calculated an
    Efficiency Gap score of less than 7%.8
    ¶ 187            Given the similarities between both the three-judge panel’s findings of fact
    regarding each plan and the evidence supporting those findings of fact, it is clear
    there was evidence supporting the panel’s conclusion that both plans “meet th[is] [ ]
    Court’s standards and requirements” from Harper I, particularly when the
    three-judge panel was required to presume that the General Assembly’s selected
    approach of using Maptitude, pulling partisan election data from the Mattingly
    Election Set, and relying on the resulting Mean-Median Difference and Efficiency
    8The appropriate standard of review is whether any evidence supports the three-judge
    panel’s findings of fact. Here there is clearly ample evidence in the record to support the
    three-judge panel’s findings of fact that the RHP and the RSP were “satisfactorily within the
    statistical ranges set forth in [Harper I].”
    -44-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    Gap scores was constitutional. As a result, the majority’s decision to overturn the
    RSP but uphold the RHP when each is supported by comparable evidence is
    inconsistent and can only be explained by the majority’s desire to reach a particular
    outcome. To accomplish this outcome, the majority reweighs and defers exclusively
    to select portions of the evidence that the Special Masters and three-judge panel in
    fulfilling its duty as the fact-finder apparently chose to discount.
    ¶ 188         The majority says one of the “keystones” of the three-judge panel’s decision is
    its erroneous views of the statistical data. For example, the majority notes that “all
    but one [a]dvisor” concluded that the RSP scored above the 1% Mean-Median
    Difference threshold but ignores the fact that all the advisors found that the RSP
    scored below the 7% Efficiency Gap threshold. Harper II, 2022-NCSC-121, ¶ 99. The
    majority’s statement that “all but one [a]dvisor” calculated a Mean-Median Difference
    above 1% for the RSP is not only selective, but inaccurate. Half of the advisors, not
    one, calculated the RSP’s Mean-Median Difference score as less than 1%. This
    inaccuracy illustrates why appellate courts must refrain from reweighing evidence
    and instead must defer to the trial court’s assessment of the record. See In re I.K.,
    2021-NCSC-60, ¶ 25 (“It is the trial court’s responsibility to pass upon the credibility
    of the witnesses and the weight to be given their testimony and the reasonable
    inferences to be drawn therefrom. Because the trial court is uniquely situated to make
    -45-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    this credibility determination appellate courts may not reweigh the underlying
    evidence presented at trial.”).9
    ¶ 189          Nevertheless, according to the majority, this evidence undermines the three-
    judge panel’s finding that the RSP met the statistical thresholds identified in Harper
    I. The same number of advisors, however, found that the RHP scored above the 1%
    Mean-Median Difference threshold as well. Inexplicably, the majority concludes that
    this fact weighs against the three-judge panel’s findings of fact regarding the RSP
    but supports its findings of fact regarding the RHP.
    ¶ 190          In upholding the RHP, the majority states that collectively “[t]he [ ] [a]dvisors
    determined that the RHP yields an average [E]fficiency [G]ap of about 2.88%, [and]
    an average [M]ean-[M]edian [D]ifference of about 1.27%.” Harper II, 2022-NCSC-121,
    ¶ 93. The advisors’ average scores for the RSP are very close to those for the RHP.
    For the RSP, the average of the advisors’ Efficiency Gap scores is 3.81% and the
    average of their Mean-Median Difference scores is 1.29%. The average Mean-Median
    Difference scores for the two plans are within two-one-hundredths of a percentage
    point of each other. Why does 1.27% weigh in favor of the RHP’s constitutionality but
    1.29% weighs against the RSP’s constitutionality? If there is something critical about
    that difference, the majority does not explain it.
    9 To the extent the majority questions the work of the three-judge panel and its
    assessment of the evidence, the correct resolution is to remand for clarification, not for an
    appellate court to reweigh evidence and find its own facts.
    -46-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    ¶ 191         The majority’s use of average scores is also problematic for another reason. The
    advisors did not calculate the average of their Mean-Median Difference and Efficiency
    Gap scores. Instead, each advisor individually calculated a set of scores using his
    chosen redistricting software and set of elections, and then each advisor submitted
    his set of scores to the three-judge panel. The majority, on its own, calculates these
    average scores, giving each equal weight, and then relies on this new data to support
    its conclusion that the RHP is constitutional and the RSP is unconstitutional. The
    majority does this even though it never mentioned using averages of Mean-Median
    Difference and Efficiency Gap scores to assess a map’s partisan fairness in Harper I.
    ¶ 192         In calculating its own average scores, the majority essentially reweighs the
    evidence to give equal weight and credibility to each of the advisors’ calculations. It
    gives equal weight to these four sets of scores despite claiming to discount the
    analyses of the two advisors who engaged in forbidden ex parte communications.10
    The three-judge panel, however, should weigh the evidence, determine credibility,
    and find facts because it “is in the best position” to do so. Williams, 
    362 N.C. at 632
    ,
    
    669 S.E.2d at 294
     (quoting Smith, 
    278 N.C. at 41
    , 
    178 S.E.2d at 601
    ). In its order, the
    three-judge panel did not specify the weight that it gave to each of the advisors’ scores,
    though it did incorporate the Special Masters’ finding that “the analysis provided by
    Drs. Wang and Jarvis was helpful” but “not determinative” of any particular finding
    10   See generally footnote 4.
    -47-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    of fact. Accordingly, in averaging the advisors’ scores and assigning each of their
    scores equal weight, the majority reweighs the evidence and attaches creditability to
    evidence that the three-judge panel and Special Masters might have discounted. The
    majority usurps the three-judge panel’s role as fact-finder by replacing the three-
    judge panel’s assessment of the advisors’ credibility with its own.11
    ¶ 193          Similarly, the majority rejects the three-judge panel’s finding of fact that any
    “partisan skew” remaining in the RSP is “explained by the political geography of
    North Carolina.” Harper II, 2022-NCSC-121, ¶ 100. The majority rejects this finding,
    claiming that it “is an incomplete statement of the requirement established in Harper
    [I].” 
    Id.
     The three-judge panel, however, made the exact same finding of fact
    regarding the RHP: “The [trial] [c]ourt finds that to the extent there remains a
    partisan skew in the [RHP], that partisan skew is explained by the political
    11 As already noted, the majority here freely disregards the appropriate standard of
    review and reweighs the evidence only when necessary to reach its preferred outcome.
    However, in another case also filed today, the same majority insists that it must defer to a
    trial court’s findings of fact when supported by competent evidence:
    many of defendants’ arguments in this case ask this Court to
    rewrite the trial court’s findings of fact. But when the trial court
    conducts a trial without a jury, “the trial court’s findings of fact
    have the force and effect of a jury verdict and are conclusive on
    appeal if there is competent evidence to support them, even [if]
    the evidence could be viewed as supporting a different findings.”
    Holmes v. Moore, 2022-NCSC-122, ¶ 83 (quoting In re Skinner, 
    370 N.C. 126
    , 139, 
    804 S.E.2d 449
    , 458 (2017)). Thus, it is clear that the majority understands the appropriate standard of
    review, but simply ignores it at will to reach its favored outcome.
    -48-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    geography of North Carolina.” The majority, however, does not reject this identical
    finding of fact as an “incomplete statement” of its criteria from Harper I. Instead, the
    majority accepts this finding as “supported by competent evidence.” Id. ¶ 93. How can
    this finding of fact support the conclusion that the RHP is constitutional, but weigh
    against the conclusion that the RSP is constitutional?12
    ¶ 194          Finally, in addition to the various errors contained in the majority’s analysis
    listed above, the majority also gravely mischaracterizes the evidence from below.
    Most notably, the majority repeatedly cites from one of the advisors’ reports but
    describes that cited data or opinion as if it were the collective conclusion of all four
    advisors. For example, the majority states the “[t]he [a]dvisors specifically
    determined that alternative remedial Senate plans often reflect ‘less than half the
    size of the [partisan] advantage in the Legislative [d]efendants’ [RSP].’ ” Harper II,
    2022-NCSC-121, ¶ 100 (second and fourth alteration in original). This quote,
    12 Notably, the three-judge panel’s finding regarding political geography was born out
    in the November 2022 election. While various political science tests may seek to assess the
    political geography of the state, nothing is more accurate in revealing the political geography
    than our most recent election. Six statewide Republican judicial candidates won their seats
    by at least 5%, each carrying at least eighty-one counties. See North Carolina State Board of
    Elections,
    https://er.ncsbe.gov/?election_dt=11/08/2022&county_id=0&office=JUD&contest=0              (last
    visited Dec. 8, 2022). Similarly, aggregating votes across the state, the Republican state
    senatorial candidates received 59% of the total vote share, while Republican state House
    candidates received over 57%. See North Carolina State Board of Elections,
    https://er.ncsbe.gov/?election_dt=11/08/2022&county_id=0&office=NCS&contest=0              (last
    visited Dec.      8,    2022);    see   North Carolina State          Board     of Elections,
    https://er.ncsbe.gov/?election_dt=11/08/2022&county_id=0&office=NCH&contest=0              (last
    visited Dec. 8, 2022).
    -49-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    however, is contained in only one of the advisors’ reports; it is not, at least as far as
    the record reflects, the conclusion of all four advisors. Nevertheless, the majority
    describes this opinion as if it were reached by the advisors collectively.
    ¶ 195         The majority mischaracterizes various portions of evidence in this way
    throughout its opinion, essentially implying that the four advisors collectively
    assessed the Remedial Plans and generally agreed on every aspect of their analysis.
    This depiction is simply inaccurate. Each advisor individually analyzed the Remedial
    Plans using his own preferred metrics, election data, and calculation methods, and
    each reached different individual conclusions. Accordingly, the majority’s rendering
    of the advisors’ reports as a shared analysis is misleading.
    ¶ 196         Regardless of the various flaws in the majority’s analysis, the appropriate
    standard of review in this case required the three-judge panel to assume that the
    General Assembly’s methods and scores were valid and accurate unless the evidence
    demonstrates otherwise beyond a reasonable doubt. The General Assembly, one
    expert, and two of the four advisors agreed that the RSP scored below the 1%
    threshold for Mean-Median Difference, and the General Assembly, one expert, and
    all four advisors agreed that the RSP scored below the 7% threshold for Efficiency
    Gap. This evidence is more than competent to support the three-judge panel’s finding
    that the RSP is “satisfactorily within the statistical ranges set forth in” Harper I, and
    it was the duty of the three-judge panel to weigh this evidence. As a result, it does
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    Newby, C.J., dissenting
    not matter that some of the advisors and experts calculated scores above the
    thresholds.
    ¶ 197         The majority is bound by the three-judge panel’s findings of fact if they are
    supported by competent evidence, even when there is a conflict, Williams, 
    362 N.C. at 632
    , 
    669 S.E.2d at 294
    , and the three-judge panel could have made “a different
    finding,” Stephenson II, 
    357 N.C. at 309
    , 
    582 S.E.2d at 252
    . The majority fails to
    employ the correct standard of review by seeking evidence that contradicts the three-
    judge panel’s findings of fact, rather than looking for evidence that supports those
    findings. The majority is required to presume the General Assembly acted
    constitutionally absent evidence showing, beyond a reasonable doubt, that it did not.
    C. Remedial Congressional Plan
    ¶ 198         The General Assembly drew and scored the RCP using the exact same
    approach as it followed for the RHP and RSP. As with the other two maps, Maptitude
    measured the RCP’s Mean-Median Difference and Efficiency Gap scores within the
    majority’s thresholds:
    RCP
    Mean-Median         0.61%
    Difference
    Efficiency Gap      5.29%
    ¶ 199         In reviewing the RCP, the three-judge panel and the Special Masters once
    again seemed to take the same approach. They examined the same extensive evidence
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    from the “submissions from all of the parties as well as the reports of the advisors”
    and materials from the parties’ “experts.” From this evidence, the Special Masters
    found that “there is substantial evidence from the findings of the advisors that the
    [RCP] has an [E]fficiency [G]ap above 7% and a [M]ean-[M]edian [D]ifference of
    greater than 1%,” and that “[t]here is disagreement among the parties as to whether
    the proposed [RCP] meets the presumptively constitutional thresholds suggested by
    th[is] [ ] Court.” However, the scores do not support this finding:
    Remedial Congressional Plan
    Grofman    McGhee        Wang     Wang       Jarvis    Mattingly    Barber       Maptitude
    6 election Planscore     2016-    10                   16     new   General
    composite                2020     Election             Election     Assembly’s
    Composite    Mattingly
    Election
    Set
    Mean-        0.66%       1.1%         0.7%     1.2%       0.9%      1.01%        0.61%        0.61%
    Median
    Diff.
    Efficiency   6.37%       6.4%         7.4%     6.8%       8.8%      7.31%        5.29%        5.3%
    Gap
    ¶ 200         Once again, the Special Masters also considered “the advisors’ findings on the
    partisan symmetry analysis and the declination metrics.” The advisors completed the
    same diverse array of partisan fairness metrics, counts of “competitive” seats and
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    compactness, and graphic comparisons to ensemble maps for the RCP as they did for
    the other two plans. Considering all of this evidence, the Special Masters concluded
    that the RCP “fails to meet the threshold of constitutionality” set forth in Harper I
    and recommended that the three-judge panel reject the RCP.
    ¶ 201          Given their recommendation, the Special Masters created and submitted the
    Modified Congressional Plan that, in their opinion, satisfied the standards from
    Harper I. In creating the Modified Congressional Plan, the Special Masters “focused”
    on the RCP and “worked solely” with one of the advisors, Dr. Bernard Grofman, and
    his assistant to amend it. Dr. Grofman created three maps for the Special Masters’
    consideration. The Special Masters selected one of Dr. Grofman’s maps and then
    “modified” it “to improve the [E]fficiency [G]ap and [M]ean-[M]edian [D]ifference
    scores” using Dave’s Redistricting App.13
    ¶ 202          The three-judge panel adopted the Special Masters’ findings in full, and
    proceeded to make its own, additional findings regarding the RCP. First, as with the
    RHP and RSP, the three-judge panel approved of the General Assembly’s remedial
    process for drawing the RCP. Then the three-judge panel noted that the RCP
    13  Not only is the composition of this de facto redistricting commission suspect, see
    generally footnote 4, but the actual 2022 election results reflect the Democratic bias in the
    Modified Congressional Plan. Democrats had 47% of the statewide aggregate congressional
    votes but won one-half of the seats. See North Carolina State Board of Elections,
    https://er.ncsbe.gov/?election_dt=11/08/2022&county_id=0&office=FED&contest=0            (last
    visited Dec. 8, 2022).
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    contained “key differences from the 2021 Congressional Plan” that made it more
    competitive, including the fact that “[f]our congressional districts are some of the
    most politically competitive in the country.” Next, the three-judge panel looked to the
    RCP’s Mean-Median Difference and Efficiency Gap scores and found, “based upon the
    analysis performed by the Special Masters and their advisors, that the [RCP] is not
    satisfactorily within the statistical ranges set forth in [Harper I].” Finally, the three-
    judge panel found “that the partisan skew in the [RCP] is not explained by the
    political geography of North Carolina.” As a result, the three-judge panel found that
    “[t]he Special Masters’ findings demonstrate that the [RCP] does not meet the
    requirements of th[is] [ ] Court’s Remedial Order and full opinion” in Harper I.
    ¶ 203         The three-judge panel then turned to the Special Masters’ Modified
    Congressional Plan. The three-judge panel found that the Special Masters’ plan “was
    developed in an appropriate fashion, is consistent with N.C.G.S. § 120-2.4(a1), and is
    consistent with the North Carolina Constitution and th[is] [ ] Court’s [Harper I]
    opinion.”
    ¶ 204         Based on these findings, the three-judge panel concluded that the RCP “does
    not satisfy th[is] [ ] Court’s standards” from Harper I and therefore, was “not
    presumptively constitutional.” Accordingly, the three-judge panel concluded that the
    RCP was subject to strict scrutiny. Applying strict scrutiny, the three-judge panel
    concluded that “[t]he General Assembly has failed to demonstrate that their [RCP] is
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    narrowly tailored to a compelling governmental interest,” and thus, concluded that
    the RCP was unconstitutional. As a result, the three-judge panel concluded that the
    Special Masters’ Modified Congressional Plan should be adopted instead.
    ¶ 205         Although the three-judge panel weighed the same volume and variety of
    evidence in reviewing the RCP as it did with the RSP and RHP, this evidence was not
    competent to support its findings of fact that the RCP “does not meet the
    requirements of [Harper I]” or its conclusions of law that the RCP was
    unconstitutional. The evidence is not competent to support a rejection of the RCP
    because, under the presumption of constitutionality, the standard of proof for
    declaring an act of the General Assembly unconstitutional is significantly higher than
    that for accepting that an act of the General Assembly is constitutional. To support
    the three-judge panel’s findings of fact regarding the RCP, competent evidence would
    have to rebut the presumption that the General Assembly acted constitutionally
    beyond a reasonable doubt.
    ¶ 206         Overall, the three-judge panel only made two specific findings of fact that
    support its conclusion of law that the RCP was unconstitutional:
    34.     The Court finds, based upon the analysis
    performed by the Special Masters and their advisors, that
    the [RCP] is not satisfactorily within the statistical ranges
    set forth in the Supreme Court’s full opinion. See Harper v.
    Hall, 2022-NCSC-17, ¶ 166 (mean-median difference of 1%
    or less) and ¶ 167 (efficiency gap less than 7%).
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    Newby, C.J., dissenting
    35.    The Court finds that the partisan skew in the
    [RCP] is not explained by the political geography of North
    Carolina.
    The only other findings of fact that were specific to the RCP were (1) that the General
    Assembly’s remedial process and use of partisan data “comported with” this Court’s
    Remedial Order, and (2) that the RCP contained “key differences” that made four of
    its districts “some of the most politically competitive in the country.” Neither of these
    findings supports a conclusion that the RCP is unconstitutional. Accordingly, the
    three-judge panel’s rejection of the RCP appears to be based primarily, if not solely,
    on its finding that the plan did not meet the Mean-Median Difference and Efficiency
    Gap thresholds. In turn, the three-judge panel based this finding of fact “upon the
    analysis performed by the Special Masters and their advisors.”
    ¶ 207         The Maptitude software used by the General Assembly, however, produced
    results which found that the RCP’s Mean-Median Difference and Efficiency Gap
    scores were within the thresholds identified by this Court in Harper I, and the three-
    judge panel approved of the General Assembly’s method for calculating those scores.
    The three-judge panel’s order contains no finding that identifies the RCP’s actual
    Mean-Median Difference and Efficiency Gap scores. Nor does it identify any
    purported flaw in the General Assembly’s metrics or process that rendered its scores
    inaccurate as compared with those calculated by the advisors. The order summarily
    found that “based upon the analysis performed by the Special Masters and their
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    advisors,” the scores for the General Assembly’s RCP were too high. However, as
    shown, the scores were consistent with those for the RHP and RSP, which were
    upheld by the three-judge panel. In fact the RCP’s average Mean-Median Difference
    score is 0.88% and its average Efficiency Gap score is 6.91%. Both are clearly within
    the “presumptively constitutional” ranges identified by the majority in Harper I.
    ¶ 208         Accordingly, it appears that the three-judge panel, instead of presuming that
    the General Assembly acted constitutionally in drawing, adjusting, and scoring the
    RCP, deferred to the reports of the Special Masters and the advisors. Again, such a
    backwards approach ignores the presumption of constitutionality altogether and
    defeats its purpose entirely. Even taken together, these reports do not overcome the
    presumption of constitutionality’s high bar. None of the advisors even addressed the
    General Assembly’s remedial process or metrics, let alone demonstrated that the
    legislature’s   decisionmaking    was     arbitrary,       unreasonable,   or   otherwise
    constitutionally flawed. Why were Maptitude’s Mean-Median Difference and
    Efficiency Gap scores sufficient for the RHP and the RSP, but not for the RCP?
    ¶ 209         Additionally, while the advisors and the experts each calculated slightly
    different scores, this is not surprising because each utilized different redistricting
    software, partisan election data, and calculation methods. For example, each of the
    advisors used different redistricting software from the others, and none chose to use
    Maptitude, as had the General Assembly. Dr. Grofman used Dave’s Redistricting App
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    to calculate the RCP’s Mean-Median Difference and Efficiency Gap scores, and Dr.
    McGhee used a web-based redistricting software called PlanScore. It is not clear from
    Dr. Grofman’s or Dr. McGhee’s reports how these technologies calculate the relevant
    metrics or whether they do so differently than Maptitude.
    ¶ 210         Likewise, each of the advisors used different sets of elections as their source of
    partisan data to measure the RCP. Once again, none chose the same set of elections
    as each other or as the General Assembly. Dr. Jarvis, for example, pulled partisan
    election data from eleven statewide elections. Nine of these matched the General
    Assembly’s Mattingly Election Set, but two did not. Dr. Grofman used “major
    statewide races [in] 2016−2020,” but did not specify how many election contests or
    which ones. Dr. Wang used a set of ten statewide elections to create his own sets of
    hypothetical partisan election data. Dr. Wang varied the vote totals in each of these
    elections “above and below an average [vote total]” in order to “evaluat[e] a range of
    future [vote total] scenarios that may arise in the coming decade.” Dr. Wang also
    created a composite of vote totals by averaging together three data points: (1) the
    average two-party vote share of the 2016 and 2020 presidential elections; (2) the
    average two-party vote share of the 2016 and 2020 United States Senate elections;
    and (3) the average two-party vote share of the 2020 elections for Governor and
    Attorney General. None of the advisors stated why they preferred their selected set
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    of elections or hypothetical elections or purported to explain why their selection
    should be substituted for the General Assembly’s.
    ¶ 211         Additionally, Dr. McGhee took a very “different approach” to calculating the
    Mean-Median Difference and Efficiency Gap scores. Instead of analyzing which
    party’s candidate would win in a proposed new district by using data from prior
    election contests, Dr. McGhee used PlanScore to “predict” potential partisan
    outcomes in the future. Dr. McGhee did not explain which elections PlanScore applied
    to predict future election results, nor did he explain the criteria used by PlanScore to
    make such predictions. Dr. McGhee also calculated two sets of Mean-Median
    Difference and Efficiency Gap scores. He calculated one set from a simulated election
    that assumed that no incumbents ran for reelection and another set from a simulated
    election that assumed that all incumbents ran for reelection in the proposed district
    containing their residence.
    ¶ 212         Accordingly, none of the advisors used the same software or followed the same
    methods as the General Assembly, which explains the variance among the calculated
    scores. Once again, we should defer to the General Assembly’s policy choices, such as
    its decision to use Maptitude and the Mattingly Election Set over the policy choices
    of others. It does not matter that the advisors chose to use different software, election
    results, or calculation methods if that evidence does not demonstrate that the General
    Assembly’s alternative choices were constitutionally flawed.
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    ¶ 213         These varying results prove that the process of drawing a redistricting map
    involves and requires a multitude of policy choices. At each step of the process, the
    General Assembly could have chosen to do something different. The General
    Assembly could have chosen Dave’s Redistricting App or another redistricting
    software instead of Maptitude. Alternatively, the General Assembly might have
    chosen a different set of elections to supply its partisan election data. It could have
    pulled data from five previous elections, instead of twelve. Or, it could have used only
    presidential elections, instead of a variety of statewide contests.
    ¶ 214         But the General Assembly did not make any of these decisions. The mere
    existence of other possible redistricting methods does not raise a suspicion, let alone
    demonstrate beyond a reasonable doubt, that the General Assembly’s selected
    approach was constitutionally inadequate in any way. If “every doubt” is to be
    “resolved in favor of” an act of the General Assembly, Jenkins, 180 N.C. at 170, 
    104 S.E. at 347
    , then the three-judge panel should have deferred to the General
    Assembly’s policy choices and its chosen redistricting method when presented with
    nothing more than an array of alternative calculation methods and scores from
    court-appointed political scientists. Accordingly, the three-judge panel erred in
    rejecting the RCP, and this Court should reverse that portion of its order.
    ¶ 215         Nevertheless, the majority, like the three-judge panel, defers to the report of
    the Special Masters and ignores the presumption of constitutionality entirely. The
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    majority flips the presumption of constitutionality on its head by deferring to the
    policy choices of four court-appointed political scientists to invalidate the policy
    choices of the people’s chosen representatives. For example, in affirming the
    three-judge panel’s rejection of the RCP, the majority notes that none of the advisors
    found that the RCP “yielded both an [E]fficiency [G]ap below 7% and a
    [M]ean-[M]edian [D]ifference below 1%.” Harper II, 2022-NCSC-121, ¶ 83. The
    majority does not recognize, however, that the General Assembly’s Maptitude
    software measured the RCP’s Efficiency Gap as 5.29% and its Mean-Median
    Difference as 0.61%, both well below the thresholds identified by this Court in Harper
    I. The majority simply defers to the advisors’ findings on the RCP’s Mean-Median
    Difference and Efficiency Gap scores without explaining how the advisors’ analysis
    shows that the General Assembly’s calculation of these scores was constitutionally
    flawed. Nor does the majority create its own averages for the RCP as it did the RHP
    and RSP. If it had it would see that both scores for the RCP are within the
    “presumptively constitutional” ranges identified in Harper I. The RCP has an average
    Mean-Median Difference of 0.88% and an average Efficiency Gap of 6.91%.
    ¶ 216         In doing so, the majority usurps the role of the General Assembly—the
    policymaking branch of government—by replacing the General Assembly’s
    discretionary redistricting decisions with its own preferred redistricting approaches.
    More broadly, however, the majority eliminates the presumption of constitutionality
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    entirely and inserts the judiciary squarely into future policy decisions that rightfully
    belong to the General Assembly. Under the majority’s analytical framework, it
    appears that any act of the General Assembly may be declared unconstitutional so
    long as there is at least one scientist, scholar, specialist, or expert willing to opine
    that the statute fails under at least one political science-based metric. As a result, the
    majority has wrenched political power from the people and vested it entirely in its
    own hands.
    ¶ 217         This Court’s decision from more than a century ago in Jenkins v. State Board
    of Elections, 
    180 N.C. 169
    , 
    104 S.E. 346
     (1920), illustrates the significance of the
    separation-of-powers     principles    and    the    strength   of   the   presumption   of
    constitutionality. In that case the General Assembly exercised its legislative
    authority to amend the State’s election laws to allow absentee voting. Specifically,
    the General Assembly enacted the Absentee Voters Law, which permitted any
    registered voter who was “absent from the county in which” he was registered, id. at
    172, 
    104 S.E. at 348
    , to vote using mail-in ballot forms provided by the State Board
    of Elections, Compl. 7, Jenkins, 
    180 N.C. 169
     (No. 260). J.J. Jenkins, who was running
    for the Office of State Treasurer, Pl.’s Br. 1, Jenkins, 
    180 N.C. 169
     (No. 260), filed suit
    challenging the Absentee Voters Law as a violation of Article VI of the state
    constitution and sought to enjoin the State Board of Elections from implementing the
    statute in the 1920 general election, id. at 7, 8.
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    ¶ 218         The plaintiff primarily argued that the Absentee Voters Law conflicted with
    Article VI, Section 2 of the North Carolina Constitution. See id. at 2−29. At the time,
    Article VI, Section 2 of the North Carolina Constitution required that, to qualify to
    vote in a particular county or district, a person must have “resided . . . in the precinct,
    ward or other election district, in which he offers [to] vote, four months next preceding
    the election.” N.C. Const. of 1868, art. VI, § 2. The plaintiff contended that this
    provision not only required voters to reside in their respective county or district for
    the requisite period of time but also prohibited voters from submitting a ballot unless
    they were physically present in their county or district of residence. See Pl.’s Br. at
    11−13.
    ¶ 219         Before this Court, the plaintiff made several arguments to support this
    contention. For example, he argued that the verb “offer” in Article VI, Section 2
    referred to a voter’s act of submitting a ballot, not the local board of elections’ act of
    accepting and counting a ballot. Id. at 13. Accordingly, the act of submitting the ballot
    had to occur in the voter’s county of residence and could not be completed by mailing
    a ballot from another location. Id. The plaintiff also analogized the phrase “offers to
    vote” to an offer to form a contract, which is “complete the moment [it] passes out of
    the hands of the [offeree].” Id. at 14. Thus, like a contract offer, the plaintiff argued
    that a voter’s “offer[ ] to vote” was complete the moment he submitted it for
    acceptance by his local board of elections. Id. at 17. Thus, according to the plaintiff,
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    the voter could only submit his ballot by hand in the county in which he resided. Id.
    Lastly, the plaintiff also compared Article VI, Section 2 to similar provisions in other
    state constitutions that were held to prohibit absentee voting laws. Id. at 18−19.
    Accordingly, the plaintiff concluded that the Absentee Voters Law violated Article VI,
    Section 2 by permitting voters to “offer to vote” from locations outside their county or
    district of residence.
    ¶ 220          In answering this question, this Court first explained that the well-settled
    presumption of constitutionality applied. Jenkins, 180 N.C. at 170, 
    104 S.E. at 347
    (“No rule of construction is better settled, both upon principle and authority, than
    that legislative enactments are presumed to be constitutional until the contrary is
    shown. It is only when they plainly conflict with some provision of the [c]onstitution
    that they should be declared void.”). The Court then noted that the plaintiff raised a
    compelling argument that Article VI, Section 2 required a voter to “offer[ ] to vote”
    while physically present in his county or district of residence. Id. at 172, 
    104 S.E. at 348
    . The Court admitted that, as a result, there was some doubt regarding the
    constitutionality of the Absentee Voters Law. 
    Id.
     (“[W]e must admit that the question
    is perplexing and involved in doubt.”). Regardless, the Court determined that raising
    a compelling argument of unconstitutionality was insufficient to overcome the
    presumption of constitutionality’s high bar. 
    Id.
     at 172−73, 
    104 S.E. at 348
    .
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    Accordingly, this Court concluded that it was, therefore, required to uphold the
    statute:
    [W]e think the language of the [c]onstitution is susceptible
    of a fair interpretation which will sustain the statute, in
    which case it is our duty to uphold it and give to the law
    the benefit of the doubt. The party who undertakes to
    pronounce a law unconstitutional takes upon himself the
    burden of proving beyond any reasonable doubt that it is
    so. Nothing should have the effect of avoiding a statute
    duly enacted but a direct collision between its provisions
    and the [c]onstitution. That collision is not so clear as to
    justify us in setting aside a statute, which is the law in a
    majority of the States of the Union, and, so far as we can
    find, has not been contested in recent years.
    
    Id.
    ¶ 221         Thus, the presumption of constitutionality imposes a high bar to surmount and
    can only be overcome if it is clear beyond a reasonable doubt that the relevant
    enactment directly conflicts with an express provision of the constitution. See Baker,
    
    330 N.C. at
    334−37, 
    410 S.E.2d at
    889−90. As applied to this case, plaintiffs have not
    shown that the General Assembly’s Remedial Plans, presumed constitutional, violate
    the constitution beyond a reasonable doubt.
    IV.        Political Question
    ¶ 222         The dissenting opinion in Harper I explained in great detail that partisan
    gerrymandering claims present nonjusticiable political questions because the North
    Carolina Constitution textually assigns the issue of redistricting to the legislature
    and because there is no judicially discernible, manageable standard by which courts
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    may adjudicate such claims. See Harper I, 2022-NCSC-17, ¶¶ 237−67 (Newby, C.J.,
    dissenting). The exact justiciability pitfalls forecasted by the dissenting opinion in
    Harper I permeated the proceedings on remand, and they are present again in the
    majority’s decision today. Accordingly, revisiting the political question analysis from
    Harper I is warranted.
    ¶ 223         “The Supreme Court of the United States has explained that ‘as essentially a
    function of the separation of powers,’ courts must refuse to review issues that are
    better suited for the political branches.” Id. ¶ 237 (quoting Baker, 
    369 U.S. at 217
    , 
    82 S. Ct. at 710
    ). Such matters are nonjusticiable, political questions. One characteristic
    of a political question is the absence of a standard that is judicially discoverable and
    manageable. 
    Id.
    ¶ 224         As explained in the dissent in Harper I, the Supreme Court of the United
    States recently provided detailed guidance regarding the nonjusticiability of partisan
    gerrymandering claims in Rucho v. Common Cause, 
    139 S. Ct. 2484
     (2019). See
    Harper I, 2022-NCSC-17, ¶¶ 238–45. In Rucho the Supreme Court determined that
    claims of excessive partisanship—brought by a group of Maryland and North
    Carolina voters regarding their states’ congressional maps—were nonjusticiable. 
    139 S. Ct. at 2491
    .
    ¶ 225         The Court first noted that “[p]artisan gerrymandering claims have proved far
    more difficult to adjudicate” than other types of redistricting issues because “while it
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    Newby, C.J., dissenting
    is illegal for a jurisdiction to depart from the one-person, one-vote rule, or to engage
    in racial discrimination in districting, ‘a jurisdiction may engage in constitutional
    political gerrymandering.’ ” 
    Id. at 2497
     (quoting Hunt v. Cromartie, 
    526 U.S. 541
    , 551,
    
    119 S. Ct. 1545
    , 1551 (1999)). Because some level of partisan gerrymandering is
    constitutional, “[t]he ‘central problem’ ” with such claims is “ ‘determining when
    political gerrymandering has gone too far,’ ” 
    id.
     (quoting Vieth v. Jubelirer, 
    541 U.S. 267
    , 296, 
    124 S. Ct. 1769
    , 1787 (2004) (plurality opinion)), and “providing a standard
    for deciding how much partisan dominance is too much,” 
    id.
     (quoting League of United
    Latin Am. Citizens v. Perry, 
    548 U.S. 399
    , 420, 
    126 S. Ct. 2594
    , 2611 (2006) (opinion
    of Kennedy, J.). Because of this inherent difficulty, the Supreme Court stressed that
    if there exists a standard for resolving such claims, it “must be grounded in a ‘limited
    and precise rationale,’ be ‘clear, manageable, and politically neutral,’ ” id. at 2498
    (quoting Vieth, 
    541 U.S. at
    306−08, 
    124 S. Ct. at 1793
     (Kennedy, J., concurring in the
    judgment)), and “reliably differentiate unconstitutional from ‘constitutional political
    gerrymandering,’ ” id. at 2499 (quoting Cromartie, 
    526 U.S. at 551
    , 
    119 S. Ct. at 1551
    ).
    ¶ 226            The Supreme Court then examined whether it could find such a standard in
    the Federal Constitution. The Court explained that partisan gerrymandering claims
    are effectively requests for courts to allocate political power to achieve proportional
    representation, something the Federal Constitution does not require. 
    Id.
     (“Our cases,
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    Newby, C.J., dissenting
    however, clearly foreclose any claim that the Constitution requires proportional
    representation . . . .” (quoting Davis v. Bandemer, 
    478 U.S. 109
    , 130, 
    106 S. Ct. 2797
    ,
    2809 (1986) (plurality opinion))). Accordingly, partisan gerrymandering claims do not
    seek to redress a violation of any particular constitutional provision; rather, such
    claims “ask the courts to make their own political judgment about how much
    representation particular political parties deserve—based on the votes of their
    supporters” and “to apportion political power as a matter of fairness.” 
    Id.
     (first
    emphasis added). This judgment call is not the kind of “clear, manageable, and
    politically neutral” standard required for justiciable issues. Id. at 2498 (quoting Vieth,
    
    541 U.S. at
    306−08, 
    124 S. Ct. at 1793
     (Kennedy, J., concurring in the judgment)); see
    also 
    id. at 291
    , 
    124 S. Ct. at 1784
     (plurality opinion) (“ ‘Fairness’ does not seem to us
    a judicially manageable standard. . . . Some criterion more solid and more
    demonstrably met than that seems to us necessary to enable the state legislatures to
    discern the limits of their districting discretion, to meaningfully constrain the
    discretion of the courts, and to win public acceptance for the courts’ intrusion into a
    process that is the very foundation of democratic decisionmaking.”).
    ¶ 227         The Court also concluded that, unlike one-person, one-vote claims, the Federal
    Constitution was devoid of any objective, mathematical metric for measuring
    “political fairness”: “[T]he one-person, one-vote rule is relatively easy to administer
    as a matter of math. The same cannot be said of partisan gerrymandering claims,
    -68-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    because the Constitution supplies no objective measure for assessing whether a
    districting map treats a political party fairly.” Rucho, 
    139 S. Ct. at 2501
    .
    ¶ 228         Finding no appropriate standard in the Federal Constitution, the Supreme
    Court then turned to the political science-based tests proposed by the Rucho
    plaintiffs. 
    Id.
     at 2503−04. These tests proved insufficient as well:
    The appellees assure us that “the persistence of a
    party’s advantage may be shown through sensitivity
    testing: probing how a plan would perform under other
    plausible electoral conditions.” Experience proves that
    accurately predicting electoral outcomes is not so simple,
    either because the plans are based on flawed assumptions
    about voter preferences and behavior or because
    demographics and priorities change over time. . . .
    Even the most sophisticated districting maps cannot
    reliably account for some of the reasons voters prefer one
    candidate over another, or why their preferences may
    change. Voters elect individual candidates in individual
    districts, and their selections depend on the issues that
    matter to them, the quality of the candidates, the tone of
    the candidates’ campaigns, the performance of an
    incumbent, national events or local issues that drive voter
    turnout, and other considerations. Many voters split their
    tickets. Others never register with a political party, and
    vote for candidates from both major parties at different
    points during their lifetimes. For all of those reasons,
    asking judges to predict how a particular districting map
    will perform in future elections risks basing constitutional
    holdings on unstable ground outside judicial expertise.
    
    Id.
     (citations omitted). In conclusion, the Supreme Court held that partisan
    gerrymandering claims are nonjusticiable because there is “no plausible grant of
    -69-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    authority in the Constitution, and no legal standards to limit and direct their
    decisions.” 
    Id. at 2507
    .
    ¶ 229         Today’s decision further illustrates the wisdom of that Court’s observations.
    According to the majority, the General Assembly and six jurists were unable to
    understand and apply the criteria set forth by the majority in Harper I. If, as the
    majority insists, the “test” from Harper I “provide[s] a clear standard” so that the
    General Assembly can “reliably” identify and avoid political gerrymandering, Harper
    I, 2022-NCSC-17, ¶ 310 (quoting Rucho, 
    139 S. Ct. at 2499
    ), then why did the General
    Assembly, the three-judge panel, and the Special Masters all fail to discern and apply
    that standard on remand? The fact that they could not properly understand and apply
    the criteria discussed in Harper I is prima facie evidence that the majority’s standard
    is unworkable. The majority even concedes that its standard from Harper I is
    “imperfect” and “vulnerable to manipulation,” Harper II, 2022-NCSC-121, ¶¶ 78, 77,
    yet it continues to insist its standard must be applied.
    ¶ 230         Additionally, the majority’s holding today renders the applicable “standard”
    going forward even less manageable than the standard it iterated in Harper I. In
    Harper I the majority suggested “possible bright-line standards” from “political
    science literature.” Harper I, 2022-NCSC-17, ¶ 165 (majority opinion). It specifically
    opined that “any plan with a [M]ean-[M]edian [D]ifference of 1% or less when
    analyzed using a representative sample of past elections is presumptively
    -70-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    constitutional.” Id. ¶ 166. Similarly, it concluded that a “seven percent [E]fficiency
    [G]ap threshold” was presumptively constitutional. Id. ¶ 167. Now the majority backs
    away from any possible bright-line standard and basically removes any presumption
    by stating that even these threshold scores that it identified cannot reliably identify
    a constitutional redistricting plan:
    Constitutional compliance has no magic number. Rather,
    the trial court may consider certain datapoints within its
    wider consideration of the ultimate legal conclusion:
    whether the plan upholds the fundamental right of the
    people to vote on equal terms and to substantially equal
    voting power.
    Harper II, 2022-NCSC-121, ¶ 76. How the General Assembly, constitutionally tasked
    with the redistricting responsibility, or a three-judge panel can recognize whether a
    redistricting plan meets this criteria, however, the majority does not say.
    V.       Conclusion
    ¶ 231         When is a legislative redistricting plan constitutional? Only four justices on
    this Court know, and they refuse to say why the plans at issue today are
    unconstitutional. Why are they reluctant to say?
    ¶ 232         Ambiguity leads to redistricting by the judiciary, which appears to be the goal.
    Legislative defendants’ redistricting decisions and their Remedial Plans are entitled
    to our historic deference. The majority gives the General Assembly none.
    ¶ 233         The majority admits its standard is “imperfect,” Harper II, 2022-NCSC-121, ¶
    78, but argues it can be applied by a three-judge panel. Absent from its discussion is
    -71-
    HARPER V. HALL
    2022-NCSC-121
    Newby, C.J., dissenting
    the branch that is constitutionally assigned redistricting responsibilities—the
    legislative branch. The majority ignores the primary role of the General Assembly in
    seeking to interpret and apply the vague “standard” it discusses.
    ¶ 234         Properly analyzed under the correct standard of review, all three of the
    General Assembly’s Remedial Plans should be approved. The RCP and the RSP meet
    the criteria of presumptive constitutionality set forth in Harper I. Most telling, the
    majority strikes down the RSP when the three Special Masters and the three-judge
    panel all agreed that it was constitutionally compliant under Harper I. Apparently,
    six jurists and the General Assembly were unable to discern and apply the correct
    constitutional test or recognize a constitutional redistricting plan. Once again, only
    four justices know what redistricting plan will meet their view of constitutionality. I
    respectfully dissent.
    Justices BERGER and BARRINGER join in this dissenting opinion.
    -72-