What if You Could Save Someone From an Overdose?

In the face of an escalating opioid epidemic, the F.D.A. recently approved over-the-counter sales for Narcan — a lifesaving nasal spray that can reverse an opioid overdose. Jan Hoffman, who covers health law for The Times, explains why the new availability of Narcan could change the trajectory of the epidemic. Guest: Jan Hoffman, a health law correspondent for The New York Times.