Obama gives a thumbs-up as he celebrates St. Patrick's Day with a pint of Guinness during a stop at the Dubliner Irish pub in Washington

 
Obama gives a thumbs-up as he celebrates St. Patrick
U.S. President Barack Obama (C) gives a thumbs-up as he celebrates St. Patrick's Day with a pint of Guinness during a stop at the Dubliner Irish pub in Washington, March 17, 2012. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS SOCIETY TPX IMAGES OF THE DAY)