Whether or not you agree with the views of Chelsea Police Chief Brian Kyes about medical marijuana, it’s hard to dispute one point he makes in today’s Globe: “It’s a complicated issue.”

Nearly two-thirds of Massachusetts voters supported the ballot question that authorizes patients with a “debilitating” medical condition and certification from their doctor to buy marijuana from up to 35 dispensaries set to be opened next year. Now comes the hard work of implementing the law.