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President Barack Obama drinks a Guinness with his ancestral cousin from Moneygall Ireland Henry Healy, center, and the owner of the pub in Moneygall Ireland, Ollie Hayes, right, at The Dubliner Restaurant and Pub and Restaurant on St. Patrick's Day, Saturday, March 17, 2012, in Washington. (AP Photo/Carolyn Kaster)

St. Patrick's Day Celebrations

Annual St. Patrick's day celebrations got underway around the globe on Saturday, March 17, 2012.