David Letterman
The longest tenure on a talk show belongs to David Letterman, who spent 33 years behind the desk on The Late Show, now hosted by Stephen Colbert. Known to be anti-romantic and comically complaining, Letterman made his voice clear in all his works. Described as irreverent and off-beat, this man is one of the most well-known faces in comedy that invited in a new kind of style.
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