Las Vegas Sun - Photograph : David Letterman Hosts

January 22, 2018

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David Letterman at the taping of his first talk-comedy hour "Late Night with David Letterman" with guest Bill Murray, February 1, 1982 in New York.

Nancy Kaye / AP

David Letterman at the taping of his first talk-comedy hour "Late Night with David Letterman" with guest Bill Murray, February 1, 1982 in New York.