The pattern by which governments erode rights is to start with a subset of the population that garner little sympathy. Flood the popular media with images of ignorant and promiscuous teens fueled by hormones and rap music. Every other story is about youths and drugs. Get middle america to resent them and demand a solution. Then drop the ax. Goodbye America. It was fun.
Where'd that wind up? Christ, I think that they've got it now to where it's illegal to smoke in your own house in some places.