> Unfortunately, the engineering and science obstacles are huge, enormous. Yes, I agree we should go to Mars. I don't see the urgency, though. I mean, in term

> Unfortunately, the engineering and science obstacles are huge, enormous. Yes, I agree we should go to Mars. I don't see the urgency, though. I mean, in terms of the humanity-backup situation, ten years or a hundred, doesn't really make much difference. We would be better putting the money into energy research, and when we've got that figured out, then we tackle mars.