Democrats had a great showing in the 2018 midterm elections. But even in such a strong year, they sometimes struggled to match their traditional support in electorally significant areas — with serious implications for 2020.
Their triumph was a somewhat narrow one, concentrated in well-educated, affluent communities. Over all, the distribution of Democratic and Republican support was reminiscent of the 2016 election, when Democrats won the popular vote but lost the Electoral College. CONT.
Nate Cohn, New York Times