Prohibition keeps making the problem worse, but onward we "stay the course". What's that old cliche about the definition of stupidity? Doing the same old things expecting different results. Something like that.
Potent Mexican Meth Floods In as States Curb Domestic Variety - New York Times: "But Mr. Van Haaften, like officials in other states with similar restrictions, is now worried about a new problem: the drop in home-cooked methamphetamine has been met by a new flood of crystal methamphetamine coming largely from Mexico."