No one argues that a federal prosecutor's role is easy. And, in many ways, the revolution in prosecution requires them to make even more subtle and difficult judgments than they do already. But if the nation is to end mass incarceration, with a criminal justice system suited to that goal, we must collectively embrace the revolution in prosecution.
The crisis in northern Iraq must prove a salutary lesson. That Iran can wield soft power in Iraq does not need stating, but that Iran is willing to work in military cooperation with America where they have mutual interests and benefits has been swept under the carpet by ideologues refusing to "give in" to the Iranians.