Keith Olbermann Reads Top Ten List on ‘David Letterman’ (Video)

The “Countdown” host dropped by “Late Show” to riff on why people should watch his new Current TV show

Keith Olbermann, whose talk show "Countdown" launched on Current TV on Monday, dropped by "Late Show with David Letterman" Tuesday night to deliver the Top Ten List.

The unsurprising topic: reasons to watch the new "Countdown with Keith Olbermann."

Also read: 'Countdown' Review: Olbermann's Pompous Attack on Aristocracy

The former MSNBC and ESPN star gamely read through the items on the list, which began with a joke about his large head and ended with a gag about … well, just watch.