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The Democratic Party Gets Its Populist Takeover

How democratic socialists, boosted by NYC Mayor Zohran Mamdani, swept the Democratic establishment in Tuesday’s primaries.

All three congressional candidates that New York City Mayor Zohran Mamadani endorsed won their primaries on Tuesday. The races were widely viewed as a test of just how much influence the left would have in charting the next chapter for the Democratic Party — and a referendum on Mamdani’s power.

“Mamdani is the one variable that truly matters,” Michael Lange, political writer and elections analyst of The Narrative Wars Substack, tells The Intercept Briefing as he breaks down the wins of Claire Valdez, Brad Lander, and Darializa Avila Chevalier by district. “You pair that type of broad cultural political figure with the block-by-block organizing of New York City DSA — it’s a very powerful thing.” 

“You had a candidate who said ‘Fuck Kamala Harris’ win the historic capital of Black America,” says Lange, of Avila Chevalier’s win over five-term incumbent Rep. Adriano Espaillat. “If that is not a distillation of the ‘Democratic tea party,’ I don’t quite know what is.”

This week on the podcast, host Akela Lacy speaks to Lange and Intercept managing editor Maia Hibbett about the strategic mistakes of the traditionally progressive Working Families Party, the growing influence of the Democratic Socialists of America on the Democratic Party, and how the DSA is upending electoral politics from the left.

“Here in New York, a lot of the momentum is being driven by the DSA, of course, but there are these progressive and insurgent candidates across the country who are trying to change the course of the Democratic Party,” says Hibbett, “and excite voters who might not have been into the Democratic establishment in past cycles.”

Lange notes how demographic changes and pressures on the Democratic Party base are impacting voters’ priorities. “The party’s becoming younger, more educated, and increasingly squeezed financially,” says Lange. “There’s just this broad alienation of people who have not really been able to get ahead, not for their own fault, and I think it’s like downstream of our economy, and that’s why the affordability zeitgeist is so potent.” He adds, “You spin the wheels up in two years, what could this look like in a Democratic presidential primary?”

For more, listen to the full conversation of The Intercept Briefing on Apple Podcasts, Spotify, YouTube or wherever you listen.

Akela Lacy: Welcome to the Intercept Briefing. I’m Akela Lacy, senior politics reporter at The Intercept.

Maia Hibbett: And I’m Maia Hibbett, managing editor of The Intercept.

AL: Maia, did you see what House Minority Leader Hakeem Jeffries had delivered to his house office on Wednesday morning?

MH: Yes, they were beautiful.

AL: The Republicans’ House campaign arm delivered flowers and a card offering their condolences to Jeffries after candidates that he endorsed lost to socialists on Tuesday night in primaries in New York.

This is what the card said, “Three losses in one night is tough. We wanted socalled ‘leader,” — in quotes —”Jeffries to know our thoughts are with him, his candidates, and whatever remains of his influence in the Democratic Party.” Maia, let’s get your thoughts on this.

MH: On one hand, Jeffries probably felt a little bit of relief that no one did end up challenging him, so he wasn’t one of the people facing that challenge. But it was a really bad night for establishment Democrats. Ally of Jeffries and lots of other Democratic old guard, Representative Greg Meeks in Queens, was also mad, and he was giving comments on Wednesday morning implying that New York City was  going to suffer.

It wasn’t  going to get as much resources from the federal government because it was losing one of its really powerful incumbents. You’ve covered the race that toppled Espaillat pretty closely. It represents a different kind of power coming into play in New York and in Democratic politics.

AL: One of the candidates most considered a long shot prior to Tuesday is Darializa Avila Chevalier, who ousted the powerful chair of the Congressional Hispanic Caucus, Rep. Adriano Espaillat. Avila Chevalier was notably an organizer of the Columbia pro-Palestine protest alongside Mahmoud Khalil. She cited Espaillat’s refusal to help Khalil in the aftermath of his arrest as one of the main reasons that she even decided to challenge him in the first place, and she came on the national stage after writing an op-ed in support of him and being recruited by Justice Democrats.

MH: That result was really striking, especially because if you think back to a little over a year ago, before Zohran Mamdani won the primary for New York City mayor, you were covering the arrests of these student protesters in solidarity with Palestine, and that storyline has changed so dramatically.

It seemed at the time like their power was going to fade or that these protests were getting crushed, and now one of them is going to become a member of Congress.

AL: This was definitely not on Democrats’ bingo card, particularly Espaillat, who was a large recipient of money from the pro-Israel lobby and faced a lot of criticism for how little he did to support those students at the time.

While Avila Chevalier’s win on Tuesday was one of the biggest surprises, both liberal and conservative critics of the Democratic Socialists of America (DSA), of which she is a member, framed her success as part of this narrative that we’re seeing come out from some reactions that Ivy League transplants are taking over the Democratic Party and don’t actually reflect the working class interests they’re claiming to represent.

MH: That was a huge criticism in another race on Tuesday night in New York, which was the competition between Claire Valdez and Antonio Reynoso for Nydia Velázquez’s seat. Velázquez was retiring, and she had chosen Brooklyn Borough President Antonio Reynoso as her successor. Velázquez was considered a progressive.

She was early to support Zohran Mamdani’s campaign and in some ways, the DSA’s choice to run someone against her chosen successor was being presented as this betrayal and this attempt to usurp the progressive power base that had begun to grow in New York City.

AL: And then, of course, in the middle of all this, there’s Brad Lander, who many of our listeners may recall ran against Mamdani for mayor and then formed a coalition with him.

He ousted incumbent Rep. Dan Goldman in Lower Manhattan and parts of Brooklyn less than 10 minutes after the polls closed. That was less of a shock, as Goldman had lagged behind in the polls for some months, but I think with the quickness that they called the results was another twist of the knife for Democrats in the establishment who had stood by Goldman.

MH: Yeah, and it’s funny because not that long ago, I think Goldman was considered a pretty powerful and a pretty popular politician. People talked before the 2025 mayoral race about the possibility that he could run for mayor of New York City. Maybe now he will because he’s free to do stuff. 

Here in New York, a lot of the momentum is being driven by the DSA, of course, but there are these progressive and insurgent candidates across the country who are trying to change the course of the Democratic Party and excite voters who might not have been into the Democratic establishment in past cycles.

Next week in Colorado, there’s a race that you’ve been covering really since it started, which is an insurgent candidate named Melat Kiros, who is endorsed by Justice Democrats and is also a DSA member backed by the national DSA. She’s running to take out longtime incumbent Representative Diana DeGette in Denver.

There’s also Graham Platner in Maine. There’s Abdul El-Sayed in Michigan, both candidates we’ve covered a lot running for Senate. Another DSA candidate is Francesca Hong, who’s running for governor of Wisconsin. In some of these races, the DSA is a huge driving force behind these insurgent candidates, and in other cases, they’re not actually DSA candidates, but they’re adopting this similar populist working-class-focused politics that has been elevating politicians in these races across the country.

It does seem like the story of the Trump era is that people want change. There’s the pearlclutching version of this that’s “Oh, God, there’s populism. There will be a Trump of the left.” But perhaps there needs to be, and populism is just governance by the people.

AL: Next, we’re going to go deeper on all of this and more with political writer and analyst Michael Lange. He writes about politics in New York City on his Substack “The Narrative Wars” and is the author of a recent piece called “The (Not So) Civil War for the Commie Corridor.” We’ll discuss the growing influence of DSA and how the group is upending electoral politics from the left. 

Michael, welcome to the Intercept Briefing.

Michael Lange: Oh, it’s so great to be here. Thank you for having me.

AL: Michael, we are speaking on Wednesday afternoon. I know you’ve had a busy day talking about the results from Tuesday night’s primaries in New York. Leftists are ecstatic right now. The primaries on Tuesday night were widely viewed as a test of just how much influence the left would have on charting the next chapter of the Democratic Party and New York City Mayor Zohran Mamdani’s abilities as kingmaker.

I want to go through some of these results with you, some of which were absolutely stunning. We have former New York City Comptroller Brad Lander, who beat Rep. Dan Goldman, which was somewhat expected. But two socialists came out on top in Congressional races that were far less predictable.

You called, ahead of Tuesday, a closer race for Claire Valdez. Were you surprised by the results?

ML: Certainly the scale of it, yes. There was always a world in which, let’s start with New York 7, where Antonio Reynoso, the candidate that Claire Valdez was facing, he’s more of an institutional progressive supported by the Working Families Party, Brooklyn Borough president, was in the city council.

There was a scenario in which his support fell off to a certain degree with younger voters and younger voters Claire Valdez friendly, came to the polls en masse and broke the outcome for that way. But I........

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