They see Bannon’s attacks on the GOP establishment, which are expected to be bolstered by donors and voters unhappy with Republicans’ legislative malaise, as a way to sap voter enthusiasm for the party’s incumbents.

In their place, Democrats hope to face insurgent GOP candidates who will be less viable in general elections.

“They are going to be out of touch with a lot of their districts. Putting the most extreme person out there may be a strategy that works in some states but you can’t do that in districts across the battlefield,” one Washington Democratic strategist said.