The NFL’s biggest dangers to tackle
Clip: 09/10/2018 | 7m 43s | Video has closed captioning.
By some measures, the NFL is in great shape. But the sport is also wrestling with the long-term health threats for players, as well as attacks by President Trump over high-profile political protests. To write his new book "The Big Game," New York Times political reporter Mark Leibovich spent four years among pro-football owners and players. Leibovich joins William Brangham for more.
Problems Playing Video? | Closed Captioning