 This is All Things Considered from NPR News. I'm Wanda Summers. And I'm Scott Detrow. In a major ruling on homelessness, the Supreme Court today said cities can punish people for sleeping outside. The 6-3 decision broke down along ideological lines, and it could have sweeping consequences for the quarter of a million people who live on U.S. streets and parks or in their cars. NPR's Jennifer Ludden is here to explain it. Hey, Jennifer. Hey, Scott. Let's start with the decision itself. What was the majority's rationale here?