Mitt Romney Rick Perry
Charlie Neibergall/AP
Republican presidential candidates, Texas Gov. Rick Perry, left and, former Massachusetts Gov. Mitt Romney, right, talk prior to the Republican debate, on Dec. 10, 2011, in Des Moines, Iowa.
Republican presidential candidates, Texas Gov. Rick Perry, left and, former Massachusetts Gov. Mitt Romney, right, talk prior to the Republican debate, on Dec. 10, 2011, in Des Moines, Iowa.