The immigrant doctor who's solving West Virginia's opioids crisis

Last fall, after watching the death toll from opioids climb unchecked for years, Dr. Rahul Gupta, the man in charge of combating one of the worst health crises in America, decided to do something no one had ever tried. He ordered his staff to do an in-depth analysis of every person in his state who had died of a drug overdose over the preceding year—all 887 of them.