A Dialogue: A Conversation with Carl Sagan and Ted Turner
Updates a number of themes from the Cosmos television series. Turner and Sagan discuss issues that are vital to our survival: pollution, the greenhouse effect, and nuclear weapons. Dr. Sagan explains the benefits of our space program and the possibility of time travel.
A Dialogue: A Conversation with Carl Sagan and Ted Turner
November 1, 1989
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Cast (2)
Ted Turner
Host
Carl Sagan
Guest