A lot of people think I'm retiring, but I've been telling a fib. I've been forced to leave this job because I gave $75,000 to the Clinton Foundation.
David LettermanHoward Dean was endorsed by former Vice President Al Gore and now he is getting advice from Al Gore. And I'm thinking, who better to give advice than the guy who couldn't even get elected with the most votes?
David LettermanHere in New York City, it's cold. It's so cold the Republicans want to use the Keystone Pipeline to deliver soup.
David LettermanAbout half an hour before air time - that's when I become hyper. I put everything else out of my mind and just let that nervous energy surge through my body. I start talking faster and louder. My confidence comes up. It's actually a great feeling.
David Letterman