There was an effulgent full Moon last night in Hays County, Texas. I walked around my front yard enjoying the cool stillness. At 3 in the morning I stared up at it, in all its glory. And I was thinking about the fact that there are six Americans still alive who actually walked on the surface of the Moon.

I imagined what it must be like to look up at the Moon and think “I was there.” What is even more surreal is that we have no way of…