For this doctor, a son's death by overdose inspires his mission to rescue others

Dr. Jim Baker dreaded getting that call for years: his son had fatally overdosed from opioids. He had watched Max go through the downward spiral of addiction, then recover and get sober, but a hospitalization for a car crash made him relapse. Now Baker does everything he can to educate others about the risks and devastation of opioid use. Science correspondent Miles O’Brien reports.