Drug Violence

There's an easy solution of course. Lots of people know what it is and would support it. But because a handful of puritanical twits get their panties in a bunch (and because some people profit--namely drug cartels and police) legalization isn't considered a serious possibility. Hell, some folks around Philly went ape shit when the Chief of police (iirc) decided not to prosecute possession of small quantities of marijuana.