The former "Late Show" host likened the president's post to Santa Claus knocking on his door.

David Letterman can't believe he had Donald Trump on as a guest more than 30 times on his former late-night talk shows, "Late Night With David Letterman" and CBS' "The Late Show With David Letterman." ...

Stephen Colbert hosted his fellow late-night frontmen Jimmy Fallon, Jimmy Kimmel, Seth Meyers and John Oliver on Monday’s episode of “The Late Show.” The meeting of the minds was a send-off for ...