Thousands of people who claim Johnson & Johnson baby powder caused them to develop cancer cannot sue the company, which used a controversial legal maneuver in bankruptcy court to freeze lawsuits against it.NPR's Brian Mann explains. More from his reporting here. Additional reporting this episode from NPR's Scott Horsley. In participating regions, you'll also hear a local news segment to help you make sense of what's going on in your community.Email us at considerthis@npr.org.