Keri Leigh Merritt is an independent historian in Atlanta, Georgia. She is the author of Masterless Men: Poor Whites and Slavery in the Antebellum South. Follow her on Twitter: @KeriLeighMerrit.
Colorado’s Marijuana Enforcement Division can take months or even years to issue formal safety warnings about marijuana products even when it receives reports that the products are harming people’s health, The Denver Gazette and ProPublica found.