Larry Sabato, the director of the University of Virginia’s Center for Politics, told NewsNation last night that the only polls that really matter are elections. LARRY SABATO: Let’s remember, polls go up and polls go down just like the stock market.

Presidential job approval ratings are one of the few metrics consistently and similarly measured in nearly all major public polls. An average of recent polls can often paint a more reliable picture of how the public views the president than a single poll can.