[The problem was, there was little scientific evidence that supported Anslinger’s claims. He contacted 30 scientists, according to Hari, and 29 told him cannabis was not a dangerous drug. But it was the theory of the single expert who agreed with him that he presented to the public — cannabis was an evil that should be banned — and the press ran with this sensationalized version.]
Marco kennst DU die Historie?
https://www.cbsnews.com/news/harry-anslinger-the-man-behind-the-marijuana-ban/