 This is Morning Edition from NPR News. I'm Layla Falded. And I'm Michelle Martin. The U.S. Supreme Court this morning undid decades of precedent in the area of government regulation. It made it far more difficult for federal agencies to issue rules and regulations that carry out broad mandates enacted by Congress. It also issued a closely watched opinion related to January 6th. Joining us now with analysis is NPR legal affairs correspondent Nina Totenberg. Nina, hello. Hello.