PHOTOS | South Carolina: And then there were 5

Republican presidential hopeful Newt Gingritch greets supporters during a South Carolina Republican presidential debate in Myrtle Beach, South Carolina, January 16, 2012. (PAUL J. RICHARDS/AFP/Getty Images)

Republican presidential candidate, former Massachusetts Gov. Mitt Romney (C) speaks with former U.S. Sen. Rick Santorum of Pennsylvania (L), former U.S. House Speaker Newt Gingrich (2nd R) and Texas Gov. Rick Perry (R) after they participated in the Fox News/Wall Street Journal/South Carolina GOP debate at the Sheraton Myrtle Beach Convention Center on January 16, 2012 in Myrtle Beach, South Carolina. (Joe Raedle/Getty Images)

Republican presidential hopefuls stand behind their respective podiums at the start of a debate in Myrtle Beach, South Carolina, January 16, 2012. ( EMMANUEL DUNAND/AFP/Getty Images)

Republican presidential hopeful Newt Gingritch talks with his wife Callista at the end of a South Carolina Republican presidential debate in Myrtle Beach, South Carolina, January 16, 2012. (EMMANUEL DUNAND/AFP/Getty Images)

Republican presidential candidates (L-R), Texas Gov. Rick Perry and U.S. Rep. Ron Paul (R-TX) shake hands after participating in the Fox News/Wall Street Journal/South Carolina GOP debate at the Sheraton Myrtle Beach Convention Center on January 16, 2012 in Myrtle Beach, South Carolina. (Joe Raedle/Getty Images)

Republican presidential candidates (L-R) former U.S. Sen. Rick Santorum of Pennsylvania, former Massachusetts Gov. Mitt Romney and former U.S. House Speaker Newt Gingrich participate in a Fox News, Wall Street Journal-sponsored debate at the Myrtle Beach Convention Center on January 16, 2012 in Myrtle Beach, South Carolina. (Charles Dharapa-Pool/Getty Images)

Republican presidential candidates (L-R) former Massachusetts Gov. Mitt Romney and former U.S. House Speaker Newt Gingrich participate in a Fox News, Wall Street Journal-sponsored debate at the Myrtle Beach Convention Center on January 16, 2012 in Myrtle Beach, South Carolina. (Charles Dharapa-Pool/Getty Images)

Republican presidential candidates, former U.S. House Speaker Newt Gingrich (R-GA) listens to U.S. Rep. Ron Paul (R-TX), speak during a Fox News, Wall Street Journal sponsored debate at the Myrtle Beach Convention Center, on January 16, 2012 in Myrtle Beach, South Carolina. (Joe Raedle/Getty Images)

Republican presidential candidates (L-R) former Massachusetts Gov. Mitt Romney and former U.S. House Speaker Newt Gingrich talk after a Fox News, Wall Street Journal-sponsored debate at the Myrtle Beach Convention Center on January 16, 2012 in Myrtle Beach, South Carolina. (Charles Dharapa-Pool/Getty Images)

US Republican presidential hopeful Newt Gingrich speaks to the South Carolina Tea Party Convention on January 16, 2012, in Myrtle Beach, South Carolina. (PAUL J. RICHARDS/AFP/Getty Images)

US Republican presidential hopeful Rick Santorum speaks to the South Carolina Tea Party Convention on January 16, 2012, in Myrtle Beach, South Carolina. (PAUL J. RICHARDS/AFP/Getty Images)

Republican presidential hopeful Rick Santorum arrives to speak at a South Carolina Faith & Freedom Coalition Event in Myrtle Beach, South Carolina, January 16, 2012. (EMMANUEL DUNAND/AFP/Getty Images)

Republican presidential hopeful Jon Huntsman receives a hug from his wife Mary Kaye after addressing a press conference to annouce he is bowing out from the presidential race in Myrtle Beach, South Carolina, January 16, 2012. ( EMMANUEL DUNAND/AFP/Getty Images)

Republican presidential hopeful Jon Huntsman addresses a press conference to announce he is bowing out from the presidential race in Myrtle Beach, South Carolina, January 16, 2012. South Carolina will hold its Republican primary on January 21, 2012. (EMMANUEL DUNAND/AFP/Getty Images)

Republican presidential hopeful Ron Paul talks to the press after speaking at a South Carolina Faith & Freedom Coalition Event in Myrtle Beach, South Carolina, January 16, 2012. (EMMANUEL DUNAND/AFP/Getty Images)

A sand sculpture picturing Republican presidential hopefuls (L-R) Mitt Romney, Newt Gingrich, former candidate Jon Huntsman, Rick Perry, Rick Santorum and Ron Paul is set in front of the Myrtle Beach Convention Center ahead of a Republican debate in Myrtle Beach, South Carolina, January 16, 2012. (EMMANUEL DUNAND/AFP/Getty Images)

People visiting the site of the Republican presidential primary debate January 16, 2012, stand in front of a large sand sculpture in Myrtle Beach, South Carolina. This photo shows Romney, Gingrich and Huntsman left to right. (PAUL J. RICHARDS/AFP/Getty Images)

Republican presidential candidate and former Massachusetts Gov. Mitt Romney speaks during a campaign rally on January 17, 2012 in Florence, South Carolina. (Joe Raedle/Getty Images)

US Republican presidential hopeful Rick Perry speaks during a South Carolina Faith & Freedom Coalition Event in Myrtle Beach, South Carolina, on January 16, 2012. ( EMMANUEL DUNAND/AFP/Getty Images)