During a December news conference, House Speaker John Boehner rebukes conservative groups who opposed the bipartisan budget compromise. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP

Sen. Arlen Specter, D-Pa., listens to a man voice his complaints during a town hall meeting in Lebanon, Pa., on Aug. 11, 2009. Bradley C Bower/AP hide caption

itoggle caption Bradley C Bower/AP

Republican presidential candidate Herman Cain speaks before Florida's straw poll at the Orange County Convention Center in Orlando on Saturday. Cain won the straw poll with 37 percent of the vote. Mark Wilson/Getty Images hide caption

itoggle caption Mark Wilson/Getty Images