How drug companies are gaming an old law for greater profits

Aired: 12/25/2015 | 0:06:18 | Clip
In the 1980s, a law was passed to persuade pharmaceutical companies to develop drugs for small populations, but now that rule is being used to reclaim old "orphaned" drugs in order to raise prices and profits. Gwen Ifill learns more from Sabrina Tavernise of The New York Times.