Is There a Polling Error That Favors the Republicans?

In New Hampshire, the incumbent Chris Pappas versus Trump. Governor Sonu has a 20 point lead Republican governor. He's going to win. Maggie Hasen should not be in any danger, but the race has kind of tightened late. If she loses, it's a terrible wipe out night the Democrats could lose the Senate. The house vote will track the national numbers pretty closely for a significant chunk of the electorate.