Keith Olbermann has come a very long way since his days as a Groucho Marx lookalike ESPN SportsCenter anchor. After leaving sports media to focus on broadcasting current events news, he developed into this generation's Edward R. Murrow, and he even copied the legendary Cold War era broadcaster's sign-off. Olbermann stepped up to become the first leftist talking head on cable … [Read more...] about Sunday Night NFL Host Keith Olbermann Leaving MSNBC “Countdown” Show