Here's a look back at at the most recent presidential pets:
FDR takes a drive with his terrier Fala
FDR and Fala at work
Fala en route to FDR's funeral
Harry Truman once received an unsolicited cocker spaniel as a gift. The dog was adopted by his physician.
The Kennedys with Caroline atop her pony Macaroni
Macaroni was allowed to graze on the front lawn of the White House
The Kennedys in Hyannis with a pack of pups
Lyndon Johnson holds his dog Her by the ears. To the left of Her is Johnson's other dog Him
Richard Nixon and Checkers
Susan Ford exiting the Oval Office with Liberty, the Ford family dog
Bill Clinton with Buddy
The Clintons' cat Socks gives a press conference
Socks is mobbed by paparazzi
George and Laura Bush with Barney and Spotty, respectively. Spotty's mother was Millie, George H.W. Bush's dog while in office.
President Bush tries to get Barney up the stairs to Air Force One.
Barney, left, romps around the White House lawn with newcomer Miss Beazley in 2005.
Bo meets the press.
Then walks the president
The most famous dog in America
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