Supreme Court Ruling Rewrites Federal Agency Authority

What the court decided\n\nIn a 6-3 opinion released Thursday, the Supreme Court sharply curtailed the doctrine that has for four decades required federal courts to defer to reasonable agency interpretations of ambiguous statutes.\n\nWriting for the majority, the Chief Justice framed the ruling as a return of interpretive authority to the judiciary.\n\n### The immediate impact\n\nEnvironmental regulators, banking supervisors, and workplace safety agencies now face a wave of challenges to rules previously insulated from second-guessing.\n\n### What comes next\n\nCongress will feel new pressure to legislate specifics that agencies used to fill in. Litigators expect a surge of filings within the week.