Fareed Zakaria

We continue to be exasperated by the view, apparently gaining momentum in certain circles, that armed robbery is okay as long as nobody gets hurt! The proper solution to armed robbery is a dead robber, on the scene.

Supplying fuel for a Mars expedition from the lunar surface is often suggested, but it's hard to make it pay off - Moon bases are expensive, and just buying more rockets to launch fuel from Earth is relatively cheap.