How the war on drugs helped stock our grocery store shelves KHSU | By Erika Beras Published April 23, 2025 at 12:46 PM PDT LinkedIn Email Listen • 4:55 A few decades ago, finding blueberries in a grocery store out of season was a rarity. Not so much these days, due to an initiative in South America aimed at curtailing cocaine production. Copyright 2025 NPR