Last year alone, more Americans died from a drug overdose than were lost fighting the war in Vietnam. Opioids, including pain medicines, are turning some cities into mass casualty zones. President Trump promised to "dramatically expand access to treatment." So what's been done? And what should we do? Joining us to discuss are Lenny Bernstein, health and medicine reporter for The Washington Post; Dr. Leana Wen, Baltimore City Health Commissioner and emergency physician; and Phil Plummer, Sheriff of Montgomery County, Ohio.