John Rummel: Protecting the Planets from Earth Invaders

John Rummel has one of the world's most impressive job titles: Planetary Protection Officer. We talk to him at his NASA HQ office about defending Earth from extraterrestrial contamination, and more importantly, protecting other planets from us. Emily Lakdawalla's Q&A puts a belly band around a couple of moons in our solar system. Bruce Betts has a minor meteor shower in store, along with a new space trivia contest in What's Up!