How to stop mass murder

If you're going to frequent "target rich environments:" malls, stadiums, churches, etc, would you rather know that armed help is 15 seconds away or 15 minutes away? Self-defense is THE critical right--without it, none of the others matter all that much. Remember that, as the Supreme Court looks into whether the Second Amendment "really" means an individual right to the means of self-defense. The weekend's death toll could have been much higher.

Final thought: since the shooter clearly expressed hatred of Christians in letters before the shootings, will this be investigated and excoriated as a "hate crime?" Don't worry... I'm not holding my breath...