“There are a lot of similarities” in Democrats’ current position and the 2018 campaigns, said Sen. Ben Ray Luján, D-N.M., who, as a House member, chaired his party’s congressional campaign arm during Trump’s first midterm election cycle.

The Democratic candidate for governor, Abigail Spanberger, is raising far more cash than her Republican rival, Winsome Earle-Sears, in a state where federal work force cuts are being acutely felt.