Chris Rock @ MSG New Years Eve '07
Transcript - "Barack don't seem like he realizes he's the black candidate sometimes. He's running like he can win this shit fair and square. That motherfucker's calm. He's always talking in measured tones.You got to step this shit up when you the black candidate. When you the only brother playing basketball with a bunch of white guys, they expect you to dunk!"
A New York Times Comedy Review of the show can be read here.