Criminal law is a nasty business. The field takes as its point of departure the indignities that human beings visit upon each other—each one worse than the one before. A book or article about criminal law often reads like a parade of horribles, an indictment of humanity’s descent into moral weakness. For those who teach criminal law, everything else pales in comparison. Neither the business disputes of contract law nor the physical injuries described in a torts casebook can compare with the depravity of what we teach in criminal law. Criminal law professors are often addicted to their subject. Nothing else matches its intensity and despair; by comparison, teaching a private law course can seem unreal to the criminal law junkie. Although we ...