stars. justin bieber, ariana grande, korean viral sensation psy, and "call me maybe" hit maker carly rae jepsen. it all started when scooter braun stumbled across a youtube video of a kid in a canadian talent show. that kid was justin bieber, and braun is the manager who catapulted him to superstardom. but as the music industry goes through traumatic transformation, braun is reinventing his own empire, producing movies and tv shows, investing in tech companies like uber and pinterest, and looking for more