Nate Cohn @Nate_Cohn
One thing definitely changed for the better: fewer undecided voters, esp in the Midwest. So, even if the polls are just as bad, they'd still be more accurate. Indeed, the Midwestern polls today are better for Trump than '16. Many have found him up in WI, for ex., vs. 0 in 16' — PolitiTweet.org