LOS ANGELES (Reuters) – R&B singer Chris Brown has tested positive for marijuana, leading a Los Angeles judge on Monday to set a November hearing to decide whether he violated his probation stemming from a 2009 assault on then-girlfriend Rihanna. According to a probation report presented in court, Brown tested positive in June in Virginia, where he is fulfilling his community service, Los Angeles Superior Court Judge Patricia Schnegg said. Brown, who is midway through a five-year probation sentence, produced a medical marijuana card after the positive test, Schnegg said. …
