Supporters of Oakland Mayor Sheng Thao held a rally this week, praising the mayor for firing OPD Chief LeRonne Armstrong and for demonstrating her firm commitment to implement constitutional policing in Oakland that protects all of its residents. | By Post Staff Supporters of Oakland Mayor Sheng Thao held a rally this week, praising the mayor for firing OPD Chief LeRonne Armstrong and for demonstrating her firm commitment to implement constitutional policing in Oakland that protects all of its residents. Thao has faced protests by the former chief’s backers when he was placed on