When we talk about the federal war on drugs, most people conjure up visions of sinister South American drug cartels or violent urban street gangs. The emerging face of the drug war, however, is not a gangster or a junkie: It’s your friendly personal physician in a white coat. Faced with their ongoing failure to curtail the illegal drug trade, federal drug agencies have found an easier target in ordinary doctors whose only crime is prescribing perfectly legal pain medication. By applying federal statutes intended for drug dealers, federal prosecutors are waging a senseless and destructive war on doctors. The...