A lot of pretty good polls in Senate races for Democrats this weekend and this AM. They're now up to 61% to take the Senate in the Deluxe version of our model, 68% in Classic, 71% in Lite. It's very competitive but we're getting into "Leans D" territory.https://t.co/eev4w6wba9

— Nate Silver (@NateSilver538) September 21, 2020