AG Jeff Sessions Rescinded Policy That Allowed States to Decide Legality of Marijuana

Just as California's law went into effect allowing the recreational sale of marijuana, and despite the fact that 40+ states allow marijuana for personal and/or medical use, AG Jeff Sessions rescinded federal guidelines that previously allowed the states to make their own policy on this issue. [The federal government continues to wage war against the marijuana industry but will not touch the problem of opioids, which is much more serious and far more deadly. Do you suppose campaign donations by Big Pharma might have something to do with that?] [...]