I was reading the back page of the October Smithsonian, and I was inspired to do some further reading about the Moon Landing Hoax.
One can guess my position, as a son of an astrophysicist who worked summers for NASA.
Here are a bunch of simple and clear rebuttals to a couple of dozen Hoax points, written and illustrated for non-scientists: http://www.redzero.demon.co.uk/moonhoax/index.html
But the Smithsonian gave me the best answer:
We were in the midst of the Cold War. The Soviets would have given anything to somehow embarrass the U.S. as they were racing us to the moon.
Once we got there, the Soviets never once cried, “Hoax!” Their scientists knew the state of the art as well as ours, and how to test the supposed evidence we returned.
So, why didn’t the Russians ever attempt to expose this hoax in the decades between the moon landing and the end of the cold war?
Relevance? Apparently, some 10% of Americans believe that NASA faked the 6 moon landings, and (presumably) the failure of Apollo 13. I wonder how many of them think that Saddam planned 9/11 in cahoots with Clinton?