Nearly four years after Maine voters approved cannabis legalization at the ballot box, the will of the people will finally go into full effect today as legal marijuana sales for adults begin! Adults 21 years of age or older with a valid ID can purchase up to 2.5 ounces of a combination of marijuana and marijuana concentrate that includes no more than five grams of marijuana concentrate. It remains illegal to consume marijuana in public spaces. Maine municipalities must opt in to the adult-use…