It occurred to me in my junior year of high school. I got my first letter from a big college. I still have that letter to this day - a letter from Indiana.
Yeah, I think the common denominator - and this is probably going to sound like Acting 101 - but the common denominator is belief in the character in the moment.
President Bush's proposal to focus our resources on sending humans to Mars is intriguing, but it is not the most compelling reason that Americans ought to focus our interest on the Red Planet.

