"Political scientists have a term for what the United States is witnessing right now. It’s called “regime cleavage,” a division within the population marked by conflict about the foundations of the governing system itself—in the American case, our constitutional democracy. In societies facing a regime cleavage, a growing number of citizens and officials believe that norms, institutions and laws may be ignored, subverted or replaced."
Regime cleavage is the term used in the attached analysis in Politico, for what essentially is a profound constitutional crisis in the United States