Probably what distinguishes man from other animals is his ability to laugh. Why does he laugh? That's easy. How do you make him laugh? That's not so easy. In fact, it's a near-impossible question to answer. It's the question which Larry Wilde, a writer and stand-up comic, took to the top laugh provokers in the nation. He visited them, switched on his tape recorder and let them talk. And what talk it is! In a relaxed manner we learn how the great comedy...