The top police official in Washington, D.C. on Friday expressed concerns about the dangers of illicit marijuana sales, saying the activity is tied to violent crime. Meanwhile, Congress is considering lifting a prohibition on legalizing and regulating cannabis commerce—a move that advocates say could help mitigate those law enforcement challenges by bringing the market aboveground. … Continue reading D.C. Police Chief Says Illicit Marijuana Sales Tied To Violence As Congress Weighs Lifting Regulatory Blockade