At a moment of opportunity for the party, its long-feuding factions are seizing on the midterm results to make their case for tacking to the center or to the left.
Victories by moderates in competitive or Republican-leaning states and districts paved the way for large new Democratic majorities likely to be shaped by their priorities.
The New York congresswoman, once a bane of establishment Democrats, has tried to nudge her movement in a bigger-tent direction as she weighs her 2028 options.
Representative Alexandria Ocasio-Cortez of New York joined Sam Forstag, a House candidate in Montana, at a rally in Missoula, in May. She has campaigned in several states this cycle.