 This is Morning Edition from NPR News. I'm Layla Faldin. And I'm Michelle Martin. The U.S. Supreme Court delivered opinions today on several significant topics. It put an important EPA rule on hold. It invalidated the multibillion-dollar opioid settlement. It weakened the SEC's regulatory ability, and it temporarily allowed abortions in Idaho for medical emergencies. Joining us now to talk about all of this is NPR legal affairs correspondent Nina Totenberg. Nina, welcome. Thank you. All right, so let's start with the EPA opinion. What did the court do?