Photo: Pete Souza/White House -- President Barack Obama shared a pint of Guinness at the Dubliner, an Irish pub in Washington, D.C., with his Irish cousin Henry Healy and Ollie Hayes, a pub owner from Moneygall, Ireland March 17, 2012
Photo: Pete Souza/White House -- President Obama greeted a crowd at the Dubliner, an Irish pub in Washington, D.C., on St. Patrick's Day March 17, 2012
More photos and details on the White House blog.