How geography changes life expectancy for America’s poorest

Aired: 4/11/2016 | 0:05:33 | Clip
America's poorest citizens have shorter lifespans than wealthier Americans, and new research finds that gap is growing. But the study also found that the poor who live in affluent and highly educated cities live longer than those who live in other areas. Judy Woodruff learns more from Raj Chetty of Stanford University.