Bill Maher: The Kennedy Center Mark Twain Prize for American Humor

Louis C.K., Whitney Cummings, Woody Harrelson and more gather to celebrate comedy icon Bill Maher as he accepts the Mark Twain Prize for American Humor.

Cast

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  Bill Maher

  Honoree

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  Louis C.K.

  Host

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  Whitney Cummings

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  Arianna Huffington

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