Space Hero Glenn: Save Our Space Shuttles

If, like me, you're a fan of all things space-related, then this year's grounding of the Space Shuttle fleet is a tricky thing--sensible, and yet a poignant tragedy. Now the biggest voice yet has joined the pro-Shuttle debate: John Glenn.

If you don't know that name, then shame on you: He was the third person in space, and the first American to orbit Earth as part of NASA's historic Mercury program in 1962. After retiring from NASA he "dabbled" in politics, winning a 25-year seat in the...