Mark Twain Prize

Dick Gregory

Clip: Season 2009 Episode 1 | 1m 44s

Dick Gregory thanks Bill Cosby for his effects on other 'negro' comedians at the Twelth Annual Kennedy Center Mark Twain Prize, airing on PBS stations nationwide on Wednesday, November 4 at 8 p.m. ET.

Aired: 10/30/09

Rating: NR

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