A 5-4 majority of the Supreme Court on Monday upheld Ohio’s policy of clearing from registration rolls voters who don’t show up for several years. This is a victory for federalism and the plain reading of the law, notwithstanding howls that this is somehow about purging minority voters.
In Husted v. Randolph Institute, left-leaning groups challenged Ohio’s procedure for removing people from its voter rolls under the 1993 National Voter Registration Act, which was intended to increase voter registration and protect the integrity...