No, not after 5 years together. After 23 years together. He's been with her since 1986 and married her this year. No sense of rushing into things--not even with a 5 year old son. With that knowledge and his comment about Palin, Letterman is a bastard with no respect for women.
I can’t believe he dumped Merrill Markoe for that. At least Merrill is hilarious and wrote most of his best material.