The Threat of Military Space Debris

There's a lot of junk in earth orbit, and some of it can be lethal. Michael Krepon heads the Space Security Project, and is worried about how military activity in space could make the debris problem worse. Lou Friedman provides a solar sail status report. Emily Lakdawalla's Q&A looks at spacecraft looking at other spacecraft. An especially silly What's Up with Bruce Betts, and space headlines.