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President Barack Obama

In this handout image provided by The White House, the official portrait of the Obama family dog "Bo", a Portuguese water dog, on the South Lawn of the White House on May 20, 2009 in Washington, DC. (Photo by Chuck Kennedy/The White House via Getty Images)

Presidential pooches: White House dogs through the years

A look back at some of the pups that have served as "First Dog", a loyal companion to the President of the United States, as well as other furry companions. (Yahoo News)

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