William Rubin; Chris Rock; John Carpenter

William Rubin, director emeritus of the Museum of Modern Art’s dept. of painting and sculpture, guides Charlie on a tour of the museum's “Picasso and Portraiture” exhibition. Chris Rock on his role as a campaign correspondent for Comedy Central's "Politically Incorrect." Film director John Carpenter on his film, "Escape from L.A.," the sequel to "Escape from New York."