U.S. News & World Report (blog)Lindsey Graham Invokes Bill Clinton Sex Scandal In N.H. ForumU.S. News & World Report (blog)Republican presidential candidates, from left, Lindsey Graham, Ben Carson, John Kasich, Chris Christie, Bobby Jindal, Jeb Bush, Scott Walker and Rick Santorum speak among themselves after a forum Monday, Aug. 3, 2015, in Manchester, N.H.