Jeff Sessions announced Thursday morning he had removed the barrier that had held back federal prosecutors from pursuing marijuana cases in states that had made pot legal. Most of the marijuana world saw it coming, but they freaked out anyway. A fund of marijuana-based stocks dropped more than 9 percent in value. Capitol Hill screamed just as loudly. And it wasn’t just the Democratic members of the Congressional Cannabis Caucus. It was Republican senators, too. Cory Gardner of Colorado took the Senate floor to issue an ultimatum to Sessions.
