Former Massachusetts Gov. Mitt Romney (right) listens as Texas Gov. Rick Perry makes a statement during a Republican presidential candidate debate on Sept. 22, 2011, in Orlando, Fla. (Associated Press)

Photo by: Phelan M. Ebenhack

Former Massachusetts Gov. Mitt Romney (right) listens as Texas Gov. Rick Perry makes a statement during a Republican presidential candidate debate on Sept. 22, 2011, in Orlando, Fla. (Associated Press)