Last week, Mark Mortimer reviewed Dennis Wingo's new book, Moonrush - Improving Life on Earth with the Moon's Resources, about the prospects of getting our future materials from space. Well, we had a few more questions for Wingo, about property rights, related projects here on Earth, and the possibility that we could wreck our environment so badly that getting into space is totally out of reach. Read on for this bonus interview with Dennis Wingo.