Two immigrant-rights lawyers are denied entry to Mexico after their passports trigger Interpol alerts

Major changes in a basic area of constitutional law are unusual. It’s even less common for those changes to occur with few noticing. Yet the law of personal jurisdiction—when a court can exercise jurisdiction over an out-of-state defendant—has changed significantly in recent years. Bristol-Myers Squibb Co. v. Superior Court of California, argued April 25, may…