https://twitter.com/NateSilver538/status/1055429962163990529?s=17

Nate Silver (@NateSilver538) Tweeted:

«Another underrated fact is how well Democratic incumbents are doing in *states* that shifted from Obama to Trump. The Midwestern D senators in OH, WI, PA and MI are all poised to win re-election, probably easily. That suggests a mean-reverting election more than a realigning one.»

I.e., not a sea change.