Did sending astronauts to the moon serve any practical purpose? What has NASA done right and wrong since the first lunar landing in 1969? Bill Nye "the Science Guy" and Michael Potter, director of the documentary film "Orphans of Apollo," discuss the future of space exploration.
Michael Potter says humans should go back only if we continue on to Mars. Bill Nye says we should skip the moon if the point is to reach Mars.
Bill Nye says the agency needs to calm the Cold Warriors. Michael Potter says there hasn't been much to like since Apollo.
Bill Nye and Michael Potter discuss the symbolic and practical significance of the Apollo 11 lunar landing 40 years ago and the future of space exploration.