The Supreme Court is set to hear arguments Monday on whether laws limiting homelessness are unconstitutional because they punish people for being unhoused. The case is about laws in a small city in Oregon, but the outcome could reshape policies nationwide for years to come. John Yang speaks with Charley Willison, who teaches public health at Cornell University, to learn more. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders