Don Rickles and I are best friends. I know that might seem strange to those who know Don only by reputation, but somebody has to be his friend. Just to make sure I don't forget, Don gave me a doormat that sits just outside the front door of my house. It reads: 'The Newharts: The Rickleses Best Friends.'
With the stand-up comic on TV, whether it's Seinfeld or Cosby or Roseanne, more important than their knowledge of how to tell a joke is their knowledge of themselves, or the persona they've created as themselves. So that when you're in a room with writers, you can say, 'Guys, that's a funny line, but I wouldn't say it.'