“Liar-Liar– Pants on Fire!”

debates
“The Republicans have allowed a communist dictatorship to flourish eight jet minutes from our borders! We must support anti-Castro fighters. So far these freedom-fighters have received no help from our government.” Candidate (not to be confused with subsequent President) , JFK, Oct. 1960.

The Castaways explain it best here.

For a more boring explanation check here.