But over the long term, some version of Working-Class Republicanism will redefine the G.O.P. In the first place, that’s where Republican voters are. When push comes to shove, Republican politicians are going to choose their voters over their donor class.

Second, the working-class emphasis is the only way out of the demographic doom loop. If the party sticks with its old white high school-educated base, it will die. They just aren’t making enough old white men. To have any shot of surviving as a major party, the G.O.P. has to build a cross-racial alliance among working-class whites, working-class Hispanics and some working-class Blacks.

None of this works unless Republicans can deracialize their appeal — by which I mean they must stop pandering to the racists in the party and stop presenting themselves and seeing themselves as the party of white people — and wage a class struggle between diverse workers in their coalition and the highly educated coastal manager and professional class in the Democratic coalition.

Rubio, Hawley, Sasse and Cotton are inching toward a G.O.P. future. What are the odds they’ll succeed? They’ve got to be way under 50-50.