How can you contain the meaning of Bob Marley in a single biopic? The pioneering reggae artist’s life was all too short, but his music has persisted infinitely, reaching far beyond the blue mountains of his native Jamaica, and he continues to be a global icon and a posthumous ambassador for Rastafarian culture 40 years after his death. But the man himself has been abstracted into an image for sale, a mere signifier adorning a dorm room poster, his songs of peace and freedom the dutiful standards of beach bar cover bands across the globe. Is it possible to tell the story of his life in a way th…