Nate Silver @NateSilver538
If you take the polls at face value right now—with Biden gaining/holding steady in AZ, WI, MI but losing ground in PA & FL, then Arizona is the tipping-point state right now, which could lead to the map shown here. This is a winning map for Biden, but it's precarious. https://t.co/bLTzvk2E3l — PolitiTweet.org