Dr. Lucky TranToday is a good day to remember that Carl Sagan was as outspoken about the dangers of war and nuclear weapons as he was an advocate of space exploration.
ToshenA few years ago when I came across this snippet, I did some searching and found that the video and transcript of the original one-hour episode (Cosmos, episode 13, Dec 21, 1980, Who Speaks for Earth? by Carl Sagan and Ann Druyan) is available via the Library of Congress. It's a powerful video.