It's amazing that Eric Schlosser is still capable of being shocked. As the author of Fast Food Nation, the best-selling indictment of the burger-and-fries industry, he has peered into some pretty nasty grease traps. But get him started on marijuana laws, and he's almost at a loss for words. "Some of these people are facing 20 years in prison for selling a glass water pipe with a pot leaf on it. I mean, that's just unbelievable. When you think about the fact that the typical convicted murderer in the U.S. does 10, it's...it's reefer madness."
Reefer Madness (Houghton Mifflin; 310...