David Letterman's 'Late Night' career begins

David Letterman's career as a late-night talk show host began on Feb. 1, 1982, with the debut of "Late Night with David Letterman" on NBC. His show introduced long-running features including his Top Ten lists and Stupid Pet Tricks, and he had some memorable interviews, including Cher, who called Letterman a name that had to be bleeped. When Johnny Carson retired and Jay Leno was chosen to replace him in 1993, Letterman moved to the "Late Show" on CBS, where he would directly compete with Leno. Above, Leno appears on "Late Night" in 1991.
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