This article by Ben Hartman was originally published on The Cannigma, and appears here with permission. There is a segment early in the new documentary, “Smoke: Marijuana + Black America,” which is a combination of heartbreaking, infuriating, and painfully ironic. The film, which looks at the history of marijuana and the African-American community, and how the war on Drugs and now legalization are affecting communities of color, turns the focus on the story of Corvain Cooper, an Inglewood, California father of two who was sentenced to life in prison in 2014 for his role in a marijuan...