Television News Keith Olbermann exits 'Countdown with Keith Olbermann' and MSNBC 01/21/2011 Keith Olbermann announced on Friday's edition of "Countdown with Keith Olbermann" he is leaving the U.S. cable network MSNBC effective immediately. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Keith Olbermann Countdown with Keith Olbermann Countdown
