This is an online video of the complete CNBC Town Hall Event Warren Buffett and Bill Gates: Keeping America Great, hosted by Becky Quick, as it aired on Thursday, November 12, 2009 at 9p ET.
The program was taped earlier in the day at Columbia University's Lerner Hall in New York City.
Buffett and Gates answered questions posed by an audience of just over 700 students attending Columbia Business School.
