ATLANTA — Atlanta’s mayor is vowing to change police use-of-force policies and require that officers receive continuous training in how to deescalate situations before the consequences become fatal.Mayor Keisha Lance Bottoms announced her plans after the police killing of another black man, Rayshard Brooks, outside a fast-food restaurant on Friday touched off more large protests in the city."I am often reminded of the words of Dr. Martin Luther King Jr. — ‘There is a fierce urgency of now in our communities,'" the mayor said."It is clear that we do not have another day, another...… ATLANTA — Atlanta’s mayor is vowing to change police use-of-force policies and require that officers receive continuous training in how to deescalate situations before the consequences become fatal.Mayor Keisha Lance Bottoms announced her plans after the police killing of another black man, Rayshard Brooks, outside a fast-food restaurant on Friday touched off more large protests in the city."I am often reminded of the words of Dr. Martin Luther King Jr. — ‘There is a fierce urgency of now in our communities,'" the mayor said."It is clear that we do not have another day, another...WW…