Republican presidential candidate Gingrich speaks during a campaign event next to his wife Callista Gingrich at the Hilton Hotel in Arlington

 
Republican presidential candidate Gingrich speaks during a campaign event next to his wife Callista Gingrich at the Hilton Hotel in Arlington
Republican presidential candidate and former Speaker of the House Newt Gingrich stands with his wife Callista as he announces the suspension of his presidential nomination bid during a campaign event at the Hilton Hotel in Arlington, Virginia May 2, 2012. REUTERS/Benjamin Myers (UNITED STATES - Tags: POLITICS ELECTIONS)