Countdown with Keith Olbermann is a news and opinion program hosted by Keith Olbermann, and it is one of the real news source texts for Pundit RPF fandom. Two Countdown guest hosts, Rachel Maddow and Lawrence O'Donnell, went on to host their own MSNBC shows, and writer Aaron Sorkin observed the production of Countdown while researching his upcoming series about cable news.
- ↑ Unknown. The Social Network's Aaron Sorkin reveals future projects, published 21 January 2011 at BBC News. (Accessed 23 January 2011.)