CDC director learned about Juul e-cigarettes from his 13-year-old grandson
Dr. Robert Redfield, the director of the Centers for Disease Control and Prevention, talks to "CBS This Morning" co-host John Dickerson about Juul, the e-cigarette maker that commands the majority of the market and is popular among teens. Redfield recalls learning about the devices that look like "little jump drives" from his 13-year-old grandson.