After months of insisting that he knew of no illegal activity being done on behalf of his campaign, Republican Mark Harris, who leads the race for North Carolina's 9th Congressional District, called Thursday for the State Board of Elections to hold a new election.Shortly afterward, the bipartisan state board voted unanimously to redo the only congressional race left from the 2018 midterm elections that remains undecided. This episode: Congressional correspondent Scott Detrow, Congressional reporter Kelsey Snell, and political reporter Miles Parks. Email the show at nprpolitics@npr.org. Find and support your local public radio station at npr.org/stations.