Matt Lauer was not a member of Clinton Global Initiative, insiders say
NBC adds Tom Brokaw to 2016 Summer Olympics coverage (Exclusive)
David Letterman calls Trump 'despicable,' 'repugnant to people' (Video)
David Letterman: 'I don't know why they didn't give my show to a woman'
Charles Gibson retires at ABC; Diane Sawyer is new anchor