US President George W. Bush (L) announces to the p
WASHINGTON, : US President George W. Bush (L) announces to the press he will sign over the power of the presidency temporarily on Saturday to Vice President Dick Cheney while he undergoes a colonoscopy at Camp David, 28 June, 2002 on the south driveway of the White House in Washington, DC. AFP PHOTO/TIM SLOAN (Photo credit should read TIM SLOAN/AFP via Getty Images)