Late Show with David Letterman S6E134 Elle Macpherson, Don Zimmer, John Mellencamp

Watch Late Show with David Letterman Season 6 Episode 134 Online – 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.