In Colombia, Farmers plant the hardy, high-altitude bush, harvest its foliage and sell it in bulk to the small local laboratories that have made the country into the world’s biggest producer of cocaine. The drug pays more than cultivating most legal crops. And even being on the bottom rung of the drug business confers a certain glamour. “I’m the raspachin,” trills the singer on a jaunty hit from 2015 by Los Bacanes del Sur, a popular folk band. “And I get all the women.” Do you think that the war against cocaine has completely failed ?

