The "gun violence" and Sandy Hook speakers at the Democrat Convention reminded me of a recent event that took place in my own school.  Toward the end of the school year, an announcement came over the loudspeaker that I had never heard: "we are in lockdown.  This is not a drill."  A teacher stuck her head in my classroom.  "Lockdown." I thought back to the mandatory safety training that was required after Sandy Hook and the past practice drills we had, but this one was...real?  OK.  Lock the door.  Cover the glass window of the door.  Shut the lights.  Shut the shades.  Keep my 30 students quiet while putting them in a corner out of sight of the door.  Fast.  I watched them as they watched me.  I was calm, reminding them to be quiet and assuring myself that this was probably still a false alarm.  I smiled as they sat nervously on the floor. After a minute, I wondered what I would...(Read Full Article)