Three Cheers for Federalism

On Monday, the U.S. Supreme Court struck down a federal law that effectively prohibited sports betting in most states. Its decision is most obviously a victory for every state except Nevada, whose monopoly on legal sports gambling will soon be busted by competitors rushing to enter the market. But it’s also a triumph for federalism as it imposes reasonable limits on the federal government’s ability to strong-arm states into enforcing laws they’d rather repeal. Notably, though the ruling...