Politicians with their four legged friends through out the years.
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U.S. President Barack Obama runs with his family's new dog, a Portuguese water dog named Bo, on the South Lawn of the White House April 14, 2009 in Washington, DC. The six-month-old puppy is a gift from Sen. Edward M. Kennedy (D-MA) who owns several Portuguese water dogs himself. This breed of dog is considered a good pet for children who have allergies, as Malia does. (Chip Somodevilla, Getty Images)