A controversial Missouri bill to ban "unauthorized" sleeping and camping on state-owned land is now now. Advocates for the homeless say it turns peoples’ survival into a crime. But, what does “unauthorized” sleeping mean, and how are homeless people supposed to avoid state-owned land? We talk with St. Louis attorney Stephanie Lummus, who is representing seven homeless clients in a new federal lawsuit seeking to strike down the law, and Phil Telfeyan, the executive director of nonprofit Equal Justice Under Law, who is co-counsel on the lawsuit.