LOS ANGELES (Reuters) - R&B singer Chris Brown must return to court in June after a Los Angeles judge said on Friday information was still being collected on allegations that the singer cut corners on his community service requirements. Brown, 23, is still on probation for a 2009 assault on his girlfriend Rihanna for which he was also sentenced to 180 days of community service and domestic violence counseling. Prosecutors said in February he had skimped on the community service requirements. ...