MIAMI — A lawsuit filed Thursday accuses Miami of creating racially segregated districts when officials redrew the boundaries of the city’s voting map in the spring, a controversial process that drew opposition from neighborhood groups over concerns that the plan weakened the political power of Black voters in Coconut Grove. On Thursday, the American Civil Liberties Union filed suit in federal court accusing city commissioners of splitting the voting map along racial lines in order to make the five districts each have its own ethnic majority or plurality (three Hispanic, one Black, one non-His...