Republican presidential candidate former House Speaker Newt Gingrich reacts to a question at the start of the Republican presidential candidate debate at the North Charleston Coliseum in Charleston, S.C., Thursday, Jan. 19, 2012. Gingrich is denying that he ever asked his ex-wife for an open marriage and angrily denounced CNN's John King, moderator of Thursday night's Republican debate for raising the issue. Gingrich blasted what he called the "destructive, vicious, negative nature of much of the news media." (AP Photo/David Goldman)