Humanity has changed an awful lot in the past 58 Years. The moon? Not so much. It was in 1968 that astronauts first drew near the moon, and it will be early this year, if all goes as planned, that a crew will return, representing a species with gadgets and abilities—and yes, problems—that didn’t exist that half-century-plus ago. Back then, the darkest concern was that to visit the moon would be to ruin the moon. That was the way Susan Borman put it to Chris Kraft, NASA's then-director of flight