Republican presidential candidate and former House Speaker Newt Gingrich reacts Jan. 19, 2012, to a question at the start of the Republican presidential candidate debate at the North Charleston Coliseum in Charleston, S.C. (Associated Press)

Photo by: David Goldman

Republican presidential candidate and former House Speaker Newt Gingrich reacts Jan. 19, 2012, to a question at the start of the Republican presidential candidate debate at the North Charleston Coliseum in Charleston, S.C. (Associated Press)