Late Show with David Letterman

Season 6, Episode 134

Episode Title: Elle Macpherson, Don Zimmer, John Mellencamp

Air Date: 1999-04-12

Overview:

Paul announces celebrities will come by all evening to wish Dave a happy birthday, and for some strange reason Martha Stewart drops by three times; the secret word is ""diplopia""; to settle an argument, Dave shows the audience a map of the Panama Canal.