The top 8 compete Monday 8/7c! Catch up now.
For 90 minutes, cable heavyweights Jon Stewart and Bill O'Reilly squared off in a spirited, online debate about the election in what organizers called "the rumble in the air-conditioned auditorium." NBC's Craig Melvin reports. (TODAY)
Arthur C. Nielsen Jr., of TV ratings fame, dies at 92. NBC's Brian Williams reports.