When society values the right to own a gun over the right to have a child grow up, a paradigm shift must occur.Walk through any American elementary school and you’ll find tiny backpacks hanging in cubbies, crayon drawings on the walls, and too often now laminated “active shooter” instructions taped next to the fire escape plan. Our children practice hiding from bullets the way previous generations practiced duck-and-cover drills or tornado drills.And still, every time another shooting makes headlines, we’re told that changing gun laws is “too political,” “too soon,” or “an attack on freedom.”Meanwhile, the body count grows.Fifty years...