The U.S. Supreme Court is grappling with a complex case involving a former truck driver, Douglas Horn, who claims he was wrongfully fired after a failed drug test, which he attributes to a “CBD-rich medicine.” Horn is suing under the Racketeer Influenced and Corrupt Organizations (RICO) Act, a law designed to combat organized crime, seeking triple damages for what he describes as a business or property injury. Divided Court: ‘Medical Marijuana Did Not Fire You’The court was divided during Tuesday’s arguments. Some of the conservative justices seemed wary of allowing Horn’s case to move forward…