"The AR-15, the military-style rifle that a gunman used to kill 17 people at a South Florida high school Wednesday, is at once a ferociously powerful weapon, a symbol of freedom and individualism, and an object of despairing worry about the future of democracy. It is, depending on which political and social camp you belong to, “America’s rifle,” a way to “Control Your Destiny” or a killing machine that has no legitimate place in civilian life."