Today Mitt Romney is 68 years old. It's kind of sad, a 68-year-old guy with no job, no future - wait a minute, that's me.
David LettermanBack when we started this show, the hottest program on television was 'Keeping Up With the Gabors.'
David LettermanThe morning after I had my heart bypass, the doctor called and said, Soon you'll be able to have sex. I said, I've heard that for years.
David Letterman