Staggered 18-year terms would bring regular turnover to the bench. The result would be a Court that better reflects prevailing public values.

The Posse Comitatus Act bars the armed forces from serving as civilian police, but loopholes and exceptions undermine its effectiveness.

The gap is increasing nationwide, especially in counties that had been subject to federal oversight until the Supreme Court invalidated preclearance in 2013.

For decades, the federal government used its grant-making power to spur states to incarcerate more people and to impose longer sentences. It should now use that power to reverse course.