What could stop Democrats from flipping control of Congress

Democrats are seeking to retake control of Congress in November’s midterm elections, but a swath of cutthroat primaries in House districts they seek to flip could blunt the party’s momentum.

In swing seats across the country, establishment Democrats are facing off against candidates hailing from the party’s far-left flank. The growing number of intraparty battles has sparked concerns that nominating left-wing candidates could complicate Democrats’ efforts to flip GOP-held seats in 2026.