Week in Review: Marijuana merger goes up in smoke, regulators target MJ vaping, Maine inches toward adult-use sales & more

MedMen and PharmaCann scrap their planned merger, state and federal officials act against marijuana vaping, Maine moves toward the launch of recreational MJ sales by the spring - and more of the week's top cannabis business news. MedMen, a California-based cannabis multistate operator, announced that its planned acquisition of Chicago-headquartered PharmaCann had been scrapped, just weeks after the deal appeared to have overcome all its antitrust hurdles. MedMen also sacked its chief financial ...