Marijuana legalization is sweeping the nation. Recreational marijuana use is legal in eight states. Medical marijuana use is legal in thirteen states. Only three states maintain an absolute criminal prohibition on marijuana use. Many of these legalization initiatives propose to regulate marijuana in a manner similar to alcohol, and many titles are variations of the “Regulate Marijuana Like Alcohol Act.” For political and public health reasons the analogy makes sense, but it also reveals a regulatory blind spot. States may be using alcohol as a model for regulating the distribution, retail, and consumption of marijuana, but marijuana is much more than a retail product. It is also an agricultural product, and by some measures, the largest cas...