Leo England v. Michael J. Astrue, Commissioner of Social Security , 490 F.3d 1017 ( 2007 )
Joanne M. Hacker v. Jo Anne B. Barnhart, Commissioner, Social Security Administration , 459 F.3d 934 ( 2006 )
Gragg v. Astrue , 615 F.3d 932 ( 2010 )