While there have always been norms and customs around the use of drugs, explicit public policies--regulations, taxes, and prohibitions--designed to control drug abuse are a more recent phenomenon. Those policies sometimes have terrible side-effects: most prominently the development of criminal ent[...]

Since the crime explosion of the 1960s, the prison population in the United States has multiplied fivefold, to one prisoner for every hundred adults--a rate unprecedented in American history and unmatched anywhere in the world. Even as the prisoner head count continues to rise, crime has stopped fal[...]