November 9, 2012 Carl Sagan Celebration

November 9, 2012 Carl Sagan Celebration
November 9, 2012 Carl Sagan Celebration Host Mat Kaplan is joined by Carl Sagan's friends Lou Friedman, Kip Thorne, Lynda Obst and Chas Beichman Liam Kennedy

"We're changing the world. Are you in?"
- CEO Bill Nye

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