Robin Williams was a master at the spontaneous riff. He could just take a topic and go off on several different tangents, making them funnier and funnier as the ideas came to him literally on the spot. In this short chat from 2002 for the film Insomnia, he was in a really healthy and happy place. I have interviewed him over the years since 1982 and he never ceased to amaze and entertain me.

He talks about turning 50, but of course in the way that only Robin Williams can, his return to stand-up