AFRICAN MIRROR REPORTER STUNG by protests against police brutality, Nigerian President Muhammadu Buhari has ordered the country's police leadership to address citizens' concerns and ensure that rogue officers are brought to book. On the day that police fired teargas to disperse dozens of protesters, Buhari summoned Nigeria’s inspector general of the police. “The Inspector General has my firm instructions to conclusively address concerns of Nigerians regarding excesses and ensuring erring personnel are brought to justice. I appeal for patience and calm, even as Nigerians freely exercise their right to peacefully make their views known,” Buhari said. He said the Nigerian…