Republican presidential candidate and former Speaker of the House Newt Gingrich reacts during a campaign event at the Hilton Hotel in Arlington, Virginia

 
Republican presidential candidate and former Speaker of the House Newt Gingrich reacts during a campaign event at the Hilton Hotel in Arlington, Virginia
Republican presidential candidate and former Speaker of the House Newt Gingrich reacts during a campaign event at the Hilton Hotel in Arlington, Virginia May 2, 2012. Gingrich ended his tumultuous run for U.S. president on Wednesday after dazzling in televised debates but winning only two of the dozens of nominating contests in the Republican primary race. REUTERS/Benjamin Myers (UNITED STATES - Tags: POLITICS ELECTIONS)