Oakland Mayor Ron Dellums asked the state attorney general Tuesday to investigate the Police Department's handling of the August 2007 slaying of journalist Chauncey Bailey, amid lingering questions about the relationship between the lead investigator and the head of the Black Muslim group at the heart of the case. "While I respect and appreciate" the efforts of the police, Dellums said at a City Hall news conference, "the residents of Oakland deserve to know that this investigation is being conducted with the utmost transparency, openness and integrity." Dellums also said the lead investigator into the killing, Sgt. Derwin Longmire, a...