All the Presidents' Frenemies

George H.W. Bush on Jimmy Carter, October 1980: "The American people will not abide a small, mean-minded, do-anything-to-win campaigner in the White House."

Barack Obama on Bill Clinton, January 2008: "We're going to have to … directly confront [him] when he's making statements that are not factually accurate."

George W. Bush on Barack Obama, January 2008: Comparing Obama's Iran diplomacy aims to Nazi appeasement, "We have heard this foolish delusion before."

Bill Clinton on George H.W. Bush, October 1992: After Bush called Clinton a "bozo," Clinton shot back, "Bozo makes people laugh; Bush makes people cry."

Jimmy Carter on George W. Bush, May 2007: "As far as the adverse impact on the nation around the world, this administration has been the worst in history."