Republican U.S. presidential candidate Huckabee shakes hands with Graham during a commercial break as...
Republican U.S. presidential candidate and former Governor Mike Huckabee (L) shakes hands with Senator Lindsey Graham (R) during a commercial break as former Senator Rick Santorum (C) looks on at a forum for lower polling candidates held before the Republican presidential debate in Las Vegas, Nevada December 15, 2015. REUTERS/Mike Blake