Former House Speaker Newt Gingrich speaks to supporters with his wife Callista at his side after winning South Carolina's Republican primary, at the Hilton Columbia Center, Columbia, S.C., Saturday, Jan. 21, 2012. (Andrew Harnik/The Washington Times)

Photo by: Andrew Harnik

Former House Speaker Newt Gingrich speaks to supporters with his wife Callista at his side after winning South Carolina's Republican primary, at the Hilton Columbia Center, Columbia, S.C., Saturday, Jan. 21, 2012. (Andrew Harnik/The Washington Times)