Crime, even after a decade of falling crime rates, remains a huge problem, and a major barrier to improving conditions in poor neighborhoods. Mass incarceration - one American adult in 100 is now behind bars - constitutes a problem in its own right. The challenge we face is how to shrink both problems at the same time.
[Click the graph at right to zoom.]
But not the way either liberals or conservatives normally think about the problem: not by building more prisons or "fixing root causes," not through "zero tolerance" or "restorative justice," not by "winning the drug war" or "ending prohibition," not with "more guns, less crime" or national gun registration.
The current system of randomized severity gets us the worst of all possible worlds: high crime rates and mass incarceration.
The alternative approach that could cut both crime and incarceration rates depends on a few principles, simple in concept but requiring effective management:

Reentry: Why it Matters to Law Enforcement