Miami International Airport has a new idea to take the stress out of flying in 2024: hemp-based edibles. The Florida airport recently posted the specifications for a “Cannabidiol Retail Shop” selling hemp-based products widely known as CBD. CBD stores sell gummies, creams and serums made from cannabis plants but without the chemicals needed to make someone high. State and federal law restricts CBD products to extremely tiny amounts of THC, the psychoactive chemical in marijuana. Legal in Florida, CBD retailers tout the calming properties of their products, selling points that MIA thinks will a…