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'The Israel lobby is toxic, and that was proven again': Breaking down the NYC primaries

Brad Lander won his primary after receiving Zohran Mamdani’s endorsement, and the interview discusses his positions and political prospects.

'The Israel lobby is toxic, and that was proven again': Breaking down the NYC primaries
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This article1 analysis · Oct 5, 2026
Jun 24, 2026
tl;dr

All three Democratic candidates endorsed by New York City Mayor Zohran Mamdani won their primaries, including Brad Lander, Darializa Avila Chevalier and Claire Valdez. Political consultant Peter Feld argues the results reflect growing progressive influence and opposition to pro-Israel lobbying.

Community verdict

VOTING CLOSED
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Brad Lander D · NY
NOT RATEDCLOSED

No good or bad look here

This story reports what happened without casting Lander in a good or bad light, so readers don’t rate it and it doesn’t count toward Lander’s record.

● INFORMATIONAL

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Democratic House candidate who won his New York primary

PRIMARY SUBJECT

Democratic House candidate who defeated Adriano Espaillat in her New York primary

Avila Chevalier's version of this story ↗

Democratic House candidate who won the primary for the seat Nydia Velázquez is leaving

Valdez's version of this story ↗

Pennsylvania candidate whose victory is cited as an example beyond New York

Kirsten E. Gillibrand
D · NY · SEN

Senator discussed as a possible future target of Lander

Progressive candidate whose New Jersey primary win is cited as an example beyond New York

Representative and potential opponent of El-Sayed in the Michigan Senate race

Colorado candidate whom Feld says could defeat Diana DeGette

Grace Meng
D · NY-6

Representative whose primary result is cited as an example of incumbent weakness

Cori Bush
Former U.S. Representative (D-MO)

Former representative whose past campaign is compared with Avila Chevalier’s

Diana DeGette
D · CO-1

Colorado incumbent whom Feld says Kiros could defeat

Chi Osse
D · NY

House candidate whose challenge to Hakeem Jeffries was abandoned

Candidate defeated by Claire Valdez

Former president mentioned in criticism directed at Avila Chevalier

Analilia Mejia
D · NJ-11

Progressive candidate whose New Jersey primary win is cited as an example beyond New York

New York candidate who won a race supported by pro-Israel groups

Jamaal Bowman
Former U.S. Representative (D-NY)

Former representative whose past campaign is compared with Avila Chevalier’s

House Minority Leader discussed as a potential future target of progressive pressure

Chuck Schumer
D · NY · SEN

Senate Minority Leader discussed as a possible future primary target

Kamala Harris
Former U.S. Senator (D-CA)

Former vice president mentioned in criticism directed at Avila Chevalier

Michigan Senate candidate discussed in a prediction about the primary and general election

California incumbent mentioned as facing a future progressive challenger

Representative mentioned as a possible future challenger to Schumer

Representative defeated by Brad Lander in the primary

Rashida Tlaib
D · MI-12

Representative cited in the discussion of Goldman’s past vote to censure her

Jimmy Gomez
D · CA-34

California incumbent mentioned as facing a future progressive challenger

Representative defeated by Darializa Avila Chevalier in the primary

Representative whose seat Valdez won in the primary

ALSO MENTIONED  Zohran Mamdani, New York City mayor whose endorsements shaped the three races; Kathy Hochul, New York governor whose potential challenge is mentioned

Part of a bigger story

19 OUTLETS
Mamdani-Endorsed Candidates Win New York Congressional Primaries

Outlets agree that Brad Lander, endorsed by New York City Mayor Zohran Mamdani, defeated Rep. Daniel Goldman in the 10th District Democratic primary; other Mamdani-backed candidates also won New York congressional primaries. Left-leaning outlets present the results as progressive victories over party establishment politics, with particular attention to pro-Israel lobbying. Center outlets largely frame the wins as a test of Mamdani’s influence and Democratic Party direction, while some focus on Israel-related politics. Right-leaning outlets emphasize the gains as a challenge to Democratic leaders and scrutinize the candidates’ socialist labels and positions on Israel.

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