Gun control.

Some people naively believe that, in the absence of guns, criminal violence would be much reduced. They are quite wrong about that prediction: on the contrary, the strong would be able to bully the weak and we would be back in the Dark Ages or the modern Third World. Further, thinking that a mature technology such as firearms manufacture can be legislating out of existence is an opium pipe dream. Guns, in their basic form, …

…the business of crime. Interestingly, even people in favor of gun control don't mind that sniper rifles and submachine guns are used to guard the President and members of Congress; nor do they object to the shotguns and pistols of the bank guards. Apparently, protection of important people and their money is proper in their eyes. These same people object shrilly when a parent wishes to carrying a sidearm to protect herself and the kids.