Gingrich wins SC primary, upsets Romney

Republican presidential candidate former, House Speaker Newt Gingrich, seen with his wife Callista at center, campaigns at a Chick-Fil-A in Anderson, S.C., Saturday, Jan. 21, 2012, on South Carolina's Republican primary election day. (AP Photo/Matt Rourke)

January 21, 2012 9:11:19 PM PST
Newt Gingrich has stormed to an upset victory over Mitt Romney in the South Carolina GOP primary with a pair of strong debate performances that most voters said was important to their choice.