Gun Violence Prevention in Baltimore, Health Lessons from Animals, Woody Harrelson

Hosted by Lee Cowan. In our cover story, Ted Koppel reports on one organization effort to stem gun violence in Baltimore. Plus: Cowan explores why Utah’s Great Salt Lake is rapidly shrinking in size; Tracy Smith talks with “Everything Everywhere All at Once” star Ke Huy Quan; Ben Mankiewicz interviews actor Woody Harrelson; Anthony Mason profiles “Women Talking” writer-director Sarah Polley; Bill Whitaker looks back at the trailblazing career of journalist Belva Davis; and Jonathan Vigliotti examines how animals’ genetics or behavior may hold clues to reducing heart disease, cancer or dementia in humans.