David Evans: “If we legalize marijuana, marijuana use is going to go up. Madison Avenue will get involved. They'll try to create their…”

“If we legalize marijuana, marijuana use is going to go up. Madison Avenue will get involved. They'll try to create their market. They'll push it to kids, like they do alcohol and tobacco right now. More people will use it. Social costs will go up, and we're going to have a lot of trouble paying for all that.”