WASHINGTON (AP) — The Supreme Court has issued a surprising ruling in favor of Black voters in a congressional redistricting case, rejecting a Republican-led effort to weaken a landmark voting rights law. Conservative Chief Justice John Roberts and Justice Brett Kavanaugh joined with the court’s liberals in affirming a lower-court ruling that found a likely violation of the Voting Rights Act in an Alabama congressional map. The map had one majority Black seat out of seven congressional districts in a state where more than one in four residents is Black. The case had been closely watched for its potential to weaken the landmark voting rights law.