Now that it's okay to use a rolling pin instead simply rolling marijuana, there's the matter of getting the correct potency for licensed users. You can go with the pros, of course. Nutritional High, Canada's first recreational marijuana company, will be creating a variety of marijuana-infused products such as chocolate bars, candies, cakes, teas, drops and tinctures. (The company's also moving towards creams, massage oils, lotions, bath soaks, lip balms along with vaporizer pens akin to e-cigarettes.)...