Nate Cohn @Nate_Cohn
Let's start with party registration. In these counties, 77% of Democrats turned out v. 82% of GOP. That's a 7 pt increase over 2016 in both cases. As a result, the electorate by party reg in these counties is D+5.8, v. D+7.4 among all registered voters. — PolitiTweet.org