Bill Cosby still thinks America is funny, like the name-calling over health care and the way we drink water from plastic bottles that could be toxic. But he says the nation has some serious problems to tackle.

The 72-year-old who has long drawn laughs for his wisecracks will receive the nation's foremost humor prize Monday at the Kennedy Center in Washington. Jerry Seinfeld, Chris Rock, Sinbad and other top entertainers will line up to honor him with the Mark Twain Prize for American Humor.

It's a prize Cosby has turned down twice before. He said he was disgusted with profanity and N-words thrown around by performers honoring the first recipient, Richard Pryor, in 1998.