Cold civil war.
(good assessment IMHO)
https://imprimis.hillsdale.edu/americas-cold-civil-war/
(yes it's vox…)
https://www.vox.com/midterm-elections/2018/11/7/18068486/midterm-election-2018-results-race-surburb
https://townhall.com/columnists/kurtschlichter/2018/03/12/why-democrats-would-lose-the-second-civil-war-too-n2459833