Keith Olbermann And MSNBC Announce They Are Parting Ways (VIDEO)

Keith Olbermann and MSNBC abruptly announced tonight that "Countdown" has ended, effective immediately.

Olbermann broke the news to his viewers during his show's final sign-off (full video below). MSNBC issued a statement with the news following tonight's episode. According to the New York Times, the host came to an agreement with NBC management late this week to step down. "Countdown" aired for just under eight years.

The bizarre timing of the announcement has raised a number of speculations, from Olbermann's suspension last November to the departure of NBC Universal CEO Jeff Zucker in light of the network's recent acquisition by Comcast. Read Full Story