Nate Silver @NateSilver538
Agree with this, and two additional points of context: 1) There's always the tendency to cast winning campaigns in the best possible light (and vice versa). FWIW, I do think Biden ran one of the better campaigns we've seen recently. But still, be wary of this halo effect. — PolitiTweet.org
David Leonhardt @DLeonhardt
+1 A lot of private pollsters are claiming their unreleased polls were more accurate than the public polls. Be sk… https://t.co/cIiKj9KjVK