Amid a period of major upheaval in the GOP primary race comes the Republican presidential debate in Tampa — the 17th showdown to date, and the first since former House speaker Newt Gingrich’s (R-Ga.) come-from-behind win Saturday in South Carolina.
Jan. 23, 2012 Republican presidential hopefuls, from left, former Pennsylvania senator Rick Santorum, former Massachusetts governor Mitt Romney, former House speaker Newt Gingrich and Rep. Ron Paul (Tex.), line up prior to the NBC News/National Journal/Tampa Bay Times debate at the University of South Florida. It is the first of two debates before the Jan. 31 Florida primary. Chip Somodevilla/Getty Images Buy Photo