It’s Going to Take More Than Background Checks and AR-15 Bans to Stop Mass Shootings

After a shooting at a bar killed 12 people in Thousand Oaks, Calif., on Nov. 7, the terror of mass shootings was, for some, worsened by a sense of hopelessness. If a state with some of the nation’s strictest gun laws can’t prevent such a tragedy, where can we feel safe? But the story is more complex. And much can still be done.