Guns and the #NeverAgain movement

"Mass shootings have dominated news cycles in recent years. Why are they happening? Are they happening more often? Why can't we stop them? What would it take? Is the answer more guns, or fewer guns? Should teachers be armed? Students will hear all sides of the story in order to make up their own mind, with practical tips given on how they can get involved and become part of the solution"--From the publisher's web site.