Republican presidential candidate and former House Speaker Newt Gingrich speaks at the CBS News/National Journal foreign policy debate at the Benjamin Johnson Arena Spartanburg, S.C., on Nov. 12. Republican presidential hopefuls sharply criticized President Barack Obama's efforts to thwart Iran's nuclear ambitions as too weak, but disagreed about whether the United States would be justified in a pre-emptive military strike.
PHOTO: Richard Shiro/AP/File
