We don't need a melting pot in this country, folks. We need a salad bowl. In a salad bowl, you put in the different things. You want the vegetables - the lettuce, the cucumbers, the onions, the green peppers - to maintain their identity. You appreciate differences.
A permanent base on Mars would have a number of advantages beyond being a bonanza for planetary science and geology. If, as some evidence suggests, exotic micro-organisms have arisen independently of terrestrial life, studying them could revolutionise biology, medicine and biotechnology.
I went from a guy, kind of a working actor, a supporting player, to magazine covers and being offered the studio pictures really quickly. Nobody was comfortable with it. I wasn't really comfortable with it.

