RALEIGH, N.C. — A federal judge has denied a request to block North Carolina’s new map of state Senate districts on the grounds that it illegally diluted the votes of Black North Carolinians. In a 69-page order released Friday, U.S. District Judge James Dever III sided with Republican leaders who defended the map, writing that plaintiffs were unlikely to succeed in showing that the new map violates the Voting Rights Act. “At this stage of the case, plaintiffs fail to demonstrate legally significant racially polarized voting in northeast North Carolina in the counties at issue in this case,” he…