Republican presidential candidate Mitt Romney kicks off his Florida campaign with a rally at All-Star Building Materials January 22, 2012 in Ormond Beach, Florida. Roberto Gonzalez / Getty Images
Republican presidential candidate Mitt Romney kicks off his Florida campaign with a rally at All-Star Building Materials January 22, 2012 in Ormond Beach, Florida. Roberto Gonzalez / Getty Images
Republican presidential candidateNewt Gingrich is greeted by supporters after the mass at the Basilica of the National Shrine in Washington. Sunday, Jan. 22, 2012. Jose Luis Magana / AP
Republican presidential candidate Rick Santorum greets supporters at the Wing Stop in Coral Springs, Florida, Sunday, January 22, 2012. Joe Cavaretta / MCT
Republican presidential candidate Rep. Ron Paul, R-Texas acknowledges the crowd during his South Carolina primary election night rally in Columbia, S.C., Saturday, Jan., 21, 2012. Former House Speaker Newt Gingrich won the Republican primary Saturday night. Pablo Martinez Monsivais / AP