What does it take to save a student? Every year, hundreds of thousands of teenagers in the United States quit high school without diplomas -- an epidemic so out of control that nobody knows the exact number. What is clear is that massive dropout rates cripple individual career prospects and cloud the country's future.
FRONTLINE investigates the widespread use of antibiotics in food animals and whether it is fueling the growing crisis of antibiotic resistance in people. Also this hour: An exclusive interview with the family of a young man who died in a nightmare bacteria outbreak that swept through a hospital at the National Institutes of Health.