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Happy Birthday, Bo! You're 4 Years Old!Wag those tails! The First Dog adds another candle to the cake on Oct. 9
Credit: Pete Souza/White House photos
Updated: Sunday Oct 09, 2011 | 06:00 AM EDT
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The lucky 6-month-old pup, who got his name from Sasha and Malia Obama, meets his public as the First Dog when he arrives at the White House on April 14, 2009. He does it Hawaiian-style, with a colorful lei.
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