Nate Silver @NateSilver538
So far, returned mail ballots are D +31 (not a surprise given what polls show) whereas the set of mail ballots that have been requested but not yet returned are "only" D +17. Why does this matter? https://t.co/Ii5lBCeY9j https://t.co/LpNFjouC9P — PolitiTweet.org