How sanctions and weather have left North Koreans starving

In North Korea, hunger is pervasive, and medical supplies are inadequate, in part because of U.S. sanctions on the country. While China and South Korea are offering humanitarian assistance, the U.S. fears aid would be usurped by the government rather than distributed among the people who need it. But as Nick Schifrin reports, conditions in the world’s most isolated country are only worsening.