U.S. Republican presidential candidate Newt Gingrich gestures during a rally in Concord, North Carolina

 
U.S. Republican presidential candidate Newt Gingrich gestures during a rally in Concord, North Carolina
U.S. Republican presidential candidate Newt Gingrich gestures during a rally in Concord, North Carolina on the night of the New York, Pennsylvania, Connecticut, Rhode Island and Delaware primaries April 24, 2012. The primaries on Tuesday could spell the end for another remaining rival, former House of Representatives Speaker Newt Gingrich. He said on Monday he would reassess his candidacy if he did not win the primary in Delaware, where he had campaigned heavily in recent weeks. REUTERS/Chris Keane (UNITED STATES - Tags: POLITICS)