Katie Glueck

A string of primary wins by progressive candidates has revealed the strength of a high-energy insurgent movement but also its potential limitations.

The House Democratic campaign arm has stepped up its interventions in high-profile contested primaries. But this week, it suffered its third primary defeat in two months.

Mr. Platner’s withdrawal, which comes after a woman accused him of rape, creates deep uncertainty in a race that both parties see as crucial to their hopes of winning the Senate.

Graham Platner’s bid for the Senate inspired progressive Democrats. But the campaign, which he suspended Wednesday, was messy, disorganized and ultimately doomed by a steady drip of scandal.

Progressives and moderates are gearing up for a fight over an as-yet-undecided process in Maine to name a Senate nominee to replace Graham Platner after a rape accusation. He still wants a say, too.

After Graham Platner, the Democratic nominee in Maine, was accused of rape, much of the party and several key supporters turned against him.

Graham Platner, the Democratic Senate candidate in Maine, called the allegation “false.” He did not say if he would continue his campaign.

Graham Platner, the Democratic Senate candidate in Maine, called the allegation “false.” He did not say if he would continue his campaign.

The anti-establishment left surged. How shaken are party leaders?

The city’s high-drama, high-spending primaries will offer clues of progressive momentum and Mayor Zohran Mamdani’s influence.

The state’s vast rural areas, which make up the swing Second Congressional District, will be important in November.

The presumptive Democratic Senate nominee in Maine said the state would have his back in the face of accusations he has denied.