The Pentagon scored a point for missile defense advocates last week when an SM-3 missile launched from the USS Lake Erie whacked a defunct satellite in orbit and shattered it into thousands of tiny (and presumably harmless) pieces. But it did leave some questions hanging in the air: Was the mission really necessary? Was it worth the cost? How much of a threat was the hydrazine fuel, really? Did we escalate a space weapons race? Herewith some thoughts on those matters:
MSNBC: "Five myths about the satellite smash-up"
ArmsControlWonk.com: "4 Questions from Geoff Forden"
Apple's Showtime event: What to expect and how to watch: What we know so far about Apple's TV series, subscription news service and everything else it could announce at its next launch event on Monday, March 25.
Facebook wants to show it's a force for good amid scandals: The social network updates its tools for blood donations, nonprofits and mentorships.
Discuss: Satellite shoot-down: myths and questions
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