By Maria Sherman/The Associated Press LOS ANGELES (AP) — Scooter Braun is one of the most recognizable names in the music business for his singular work as an executive and entrepreneur. He's managed many of your favorite artists, propelling the likes of Justin Bieber to stratospheric fame, and earned the ire of Taylor Swift and her legions of fans for his business practices. On Friday, rumors circulated online that Justin Bieber was leaving Braun, his longtime manager — and the man credited with discovering him. In the days that followed, speculation grew, and media outlets began reporting that some of…