Don’t credit drug warriors for reducing overdoses

Donald Trump and Kamala Harris promised to fight substance abuse by disrupting the drug supply.

Peter Bergen : Recent trends in drug-related deaths underline the folly of that approach.

He says it's "unlikely" that antidrug operations along the U.S.-Mexico border had helped reduce overdoses.

Bergen says prohibition magnifies harm by birthing a black market in which quality and purity are variable and unpredictable.