Reefer Madness or Pot Paradise?
DENVER — Serenity Christensen, 14, is too young to set foot in one of Colorado’s many marijuana shops, but she was able to spot a business opportunity in legal weed. She is a Girl Scout, and this year, she and her mother decided to sell their cookies outside a dispensary. “Good business,” Serenity said. But on the other side of Denver, legalization has turned another high school student, David Perez, against the warehouselike marijuana cultivations now clustered around his ne