Annelise Hanson

Nine House incumbents have now lost their primaries in 2026, the highest number outside a national redistricting year since 1970.

Blackburn, a longtime Trump ally, defeated Rep. John Rose for the nomination, NBC News projects, after the president decided not to endorse in the race.

The Democratic redistricting plan creating four more blue-leaning seats got shot down in court. Instead, two existing GOP-held swing districts are home to hard-fought campaigns.

Scott’s daughter Marcye Scott and fellow Democrat Everton Blair finished atop a five-candidate field, but no one got majority support, triggering the runoff, NBC News projects.

Sen. John Hickenlooper overcame a bid from state Sen. Julie Gonzales, NBC News projects, after she argued Democrats need a new generation of leadership.

Tuesday’s Supreme Court ruling changing certain federal campaign finance limits could make a big difference in the battle for control of Congress this fall, giving Republican candidates who have been getting outraised by opponents direct access to more party cash.

Veteran Colorado Democrats running for Senate, governor and House are facing another round of insurgent challengers Tuesday.

The NBC News poll asked American adults which historical event they thought was the country’s biggest accomplishment in its 250 years.

The primaries featured not only Zohran Mamdani’s influence but also some of the most aggressive outside spending by super PACs and interest groups this year.

Wilson defeated Lt. Gov. Pamela Evette, NBC News projects, after a campaign in which President Donald Trump initially endorsed Evette and then backed Wilson, too.

The parties will also set up a handful of key House battleground races as voters in Maryland, New York, South Carolina and Utah pick nominees.