 I'm Hannah Yang, an NPR news reporter based in southwest Minnesota. I cover the towns, farms, schools, and businesses from Luverne to St. Peter. My work is made possible by the financial support of NPR members. Thank you. The U.S. Supreme Court reverses precedent that gave government agencies the ability to interpret federal regulations. What does this mean for clean water or car safety? I'm Kathy Werzer. It's Monday, July 1st, and it's Morning Edition.