
Nate Silver @NateSilver538
Yeah, especially in national polls, Biden had a VERY strong stretch in early/mid-October where he was getting a lot of +12s and stuff. Our model (by design though I'm not sure I love how it played out in practice) started lopping off some of that data after the debate. — PolitiTweet.org
Nate Cohn @Nate_Cohn
That's mainly based on data that was conducted before the debate, at least in our own average and I'd guess 538 as… https://t.co/JAsiAV9pMr