CBS Late Night Show - Talk show hosted by the hilarious David Letterman.
Dave and Betty White partake in one of her hobbies -- drinking vodka.
Is that a zorilla in Dave's shirt or is he just happy to see Jack?
A highlight from Dave's monologue on January 17, 2011.
It's the "Top Ten Signs There Are Too Many People."
An audience member wants to hug Betty White -- but someone doesn't want to let go.
Is Regis really retiring? Will he now be hanging out with Dave? Watch Dave's phone conversation with Regis Philbin.
"Top Ten Ways To Mispronounce Reince Priebus" from January 17, 2011.
Martin pays tribute to Charlie Sheen, Robert Downey, Jr., and many other Hollywood stars who've gone to rehab.
What do Lucille Ball and John Boehner have in common? Martin explains.
"Top Ten Changes to 'American Idol'" from January 19, 2011.