The U.S. Department of Homeland Security has issued a bulletin drawing attention to the hactivist group Anonymous’ plans for nationwide protests against the police shooting death of Michael Brown in Ferguson, Mo.The group has called for a “National Day of Rage” on Thursday to span 38 major U.S. cities.The Threat Management Division of the Federal Protective Service issued the bulletin.“Currently there is no indication that protests are expected to become violent. However, recent protests in Ferguson have resulted in violence, property damage and subsequent arrests,” the bulletin reads.Brown was shot by Ferguson police officer Darren Wilson on Aug. 9. Wilson...