Buzz Aldrin is one of just a handful of people on earth with good reason to be unimpressed with the idea of a "moon shot." After all, he's among the privileged few who can say "Meh. Been there, done that."
Aldrin is far more interested in a Mars shot these days.
The second man to step on the moon in 1969 -- right behind the late Neil Armstrong -- is now 83 years old and out with a new book "Mission to Mars," in which he outlines his vision for taking humans to Mars by 2035.… Read more