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2026 Democratic U.S. Senate Primaries

A series of state Democratic primaries for U.S. Senate seats, featuring intra-party competition and high-profile candidates, as part of the broader 2026 midterm elections.

Markey faces Moulton in Tuesday's Massachusetts Senate primary

2026-08-31

U.S. Sen. Ed Markey faces a competitive Democratic primary challenge Tuesday from U.S. Rep. Seth Moulton in his bid for a third full term, in what the Associated Press described as the latest head-to-head matchup between the party's moderate and progressive wings. Massachusetts voters will also choose nominees Tuesday for U.S. House, governor, and a variety of state and local offices.

Markey says he uses 'whatever comes up' on iPad at Moulton debate

2026-08-30

Massachusetts Senator Ed Markey, 80, told a Democratic primary debate audience he uses 'whatever is inside of my iPhone or my iPad — whatever comes up' when asked whether he relies on AI platforms such as Claude or ChatGPT, according to the Associated Press. The exchange came days before Tuesday's party primary against Representative Seth Moulton, 47, who is challenging the incumbent for the Massachusetts Senate seat.

Minnesota Senate primary pits Democratic factions as GOP seeks to end drought

2026-08-10

Minnesota voters head to the polls Tuesday in a state primary in which Democrats will decide a competitive U.S. Senate nomination and Republicans will choose nominees they hope will end a 20-year drought in statewide elections. President Donald Trump has focused much of his ire on Minnesota and its Democratic leaders in his second term, and an ongoing fraud investigation into state childcare programs contributed to Democratic Gov. Tim Walz ending his reelection bid, according to an Associated Press preview.