From the Dysfunctional Family Reunion file:
Obama has a prolific presidential lineage that features Democrats and Republicans. His distant cousins include President George W. Bush and his father, George H.W. Bush, Gerald Ford, Lyndon Johnson, Harry S. Truman and James Madison. Other Obama cousins include Vice President Dick Cheney, British Prime Minister Sir Winston Churchill and Civil War General Robert E. Lee.
Obama often jokes about his cousin Cheney at campaign appearances. Obama is also a cousin to Brad Pitt.
Clinton, who is of French-Canadian descent on her mother’s side, is also a distant cousin of singers Madonna, Celine Dion and Alanis Morissette. Angelina Jolie is also in her family tree.
John McCain is a cousin to Laura Bush.”