That’s a scenario for liberal horror, but it’s not one that conservatives should welcome either. In recent years, as their advantages in both institutions have increased, conservatives have defended institutions like the Senate and the Electoral College with variations of the argument that the United States is a democratic republic, not a pure democracy.

These arguments carry less weight, however, the more consistently undemocratic the system’s overall results become. (They would fall apart completely in the scenario sought by Donald Trump and some of his allies after 2020, where state legislatures simply substitute their preferences for the voters in their states.)

The Electoral College’s legitimacy can stand up if an occasional 49-47 percent popular vote result goes the other way; likewise the Senate’s legitimacy if it tilts a bit toward one party but changes hands consistently.

But a scenario where one party has sustained governing power while lacking majoritarian support is a recipe for delegitimization and reasonable disillusionment, which no clever conservative column about the constitutional significance of state sovereignty would adequately address.