Former Massachusetts Gov. Mitt Romney (left) and former House Speaker Newt Gingrich gesture during a Republican presidential candidate debate on Monday, Jan. 23, 2012, at the University of South Florida in Tampa, Fla. (AP Photo/Paul Sancya)

Photo by: Paul Sancya

Former Massachusetts Gov. Mitt Romney (left) and former House Speaker Newt Gingrich gesture during a Republican presidential candidate debate on Monday, Jan. 23, 2012, at the University of South Florida in Tampa, Fla. (AP Photo/Paul Sancya)