Nate Silver @NateSilver538
Although it would be much better if we had some high-quality phone polls to worth with, so far from the online stuff looks like we went into the convention with an 8-9 point race, Biden inched that up to 9-10 after the DNC, and now we're back down to ~7. https://t.co/cy51vc5isJ — PolitiTweet.org