With an estimated $7 billion in sales in 2016 and potentially exponential growth due to recent ballot initiatives on recreational use, the legal marijuana industry has a lot of businesses seeing green. But as is so often the case in this country, there’s a darker side to this story and it splinters on the lines of race. For decades, the war on drugs has disproportionately targeted black and brown users for arrest and incarceration, and legalization efforts have until recently not addressed what happens to people who have been put in prison for possessing a substance that voters have since opted to make legal.