Police: Gunman in JSC shooting feared losing his job | Chron.com – Houston Chronicle At the time, it looked like the "man with a gun at NASA" story would end peacefully, so I made a bad joke and turned to other stories in the news.  It didn't. It's not so funny now, I readily admit.  I'm don't know if the NASA gunman snapped because of all the news this week about the shootings at Virginia Tech, but if he was that close to the edge, the incessant coverage couldn't have helped his mental state.  Yes, there've been a lot of…