Justin Bieber’s handlers fear the pop star is spiralling out of control. RadarOnline.com reports that Scooter Braun, the 19-year-old Canadian heartthrob’s manager, is mulling sent Bieber to rehab for a short, sharp visit. The gossip website says Braun is concerned by the Baby singer’s accelerated use of alcohol and marijuana. A source told Radar: “Justin is hanging out with the wrong people. It’s been one incident after another with him ... Scooter wants him to go to rehab to get his act together.” Bieber’s past three months have featured one faux pas after another, not least showing up late for...