Nothing has changed more in the past couple of decades than attitudes toward the crisis of incarceration in America. What was largely an invisible civilization of confinement—millions of men and women locked up for, cumulatively, millions of years—is now a commonplace concern. Everyone running for the Democratic nomination pays lip service to the need to address mass incarceration, and what were once essential political instincts—to side with the police and the prosecutors in every instance, to “get tough on crime”—have become, at the very least, negotiable. We have gone from “Lock ’em up!” to “Lock ’em up?” to “Set ’em loose!,” all in a relatively short time.
