Republican presidential hopefuls, former senator Rick Santorum (L), former Massachusetts governor Mitt Romney (2nd-L), former House Speaker Newt Gingrich (2nd-R) and Texas Rep. Ron Paul (R) participate in the CNN Southern Republican Leadership Conference Town Hall Debate in Charleston, South Carolina, January 19, 2012, in advance of this weekend’s January 21, 2012 Republican presidential primary. AFP Photo/Emmanuel Dunand (Photo credit should read EMMANUEL DUNAND/AFP/Getty Images)
