Late Show with David Letterman

Show #1630 (8x172)

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Mailbag: “What would you do if the world was coming to an end?” Dave admits he doesn’t know much about this topic, so he introduces astrophysicist “Dr. Saul Perlmütter” (Gerard), who announces that the world will end somewhat earlier than was previously thought; around Labor Day 2001, an eerie prediction.