If I could come back as anything - I'd be a bird, first, but definitely the command key is my second choice.
If leaders in the space program had at its beginning in the 1940s, pointed out the benefits to people on earth rather than emphasizing the search for proof of evolution in space, the program would have saved $100 billion in tax money and achieved greater results.
It's fun to be on the edge. I think you do your best work when you take chances, when you're not safe, when you're not in the middle of the road, at least for me, anyway.

