North Carolina Republican Thom Tillis has won reelection to the Senate, defeating Democrat Cal Cunningham after a hard-fought campaign and days of counting ballots.Cunningham conceded to Tillis in North Carolina on Tuesday, saying “the voters have spoken” and it was clear Tillis had won.Tillis led Cunningham by more than 95,000 votes, or 1.76 percentage points when Cunningham conceded. “I just called Sen. Tillis to congratulate