He felt bad -- really bad -- after letting loose with a bad joke while doing his job as a latenight comedian and host. He apologized. She led hate-mongering rallies of people calling for the head of her political opponent while doing her job last fall -- in between shopping sprees.
From Tuesday's "Late Show with David Letterman":
"Top 10 Things Overhead at the 'Fire David Letterman' Rally" (click here for the clip)
No. 10 -- David who?
No. 9 -- "Well, it was nice of CBS to provide the catering."
No. 8 -- "We should have done this years ago."