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DSA vs. Establishment: New York Primary Tests Growing Antiwar Split in Democratic Party

Avila Chevalier is challenging Adriano Espaillat in a race Featherstone says is closer than expected.

DSA vs. Establishment: New York Primary Tests Growing Antiwar Split in Democratic Party
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This article1 analysis · Oct 5, 2026
tl;dr

On New York’s primary day, the article examines DSA-backed congressional challengers Darializa Avila Chevalier and Claire Valdez and the party divisions their races represent. A Jacobin columnist says opposition to U.S. policy toward Israel is helping drive support for the challengers.

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VOTING CLOSED
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NOT RATEDCLOSED

No good or bad look here

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

● INFORMATIONAL

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DSA-backed candidate challenging Adriano Espaillat in New York’s 13th Congressional District

PRIMARY SUBJECT

Brooklyn Borough President and candidate for the open seat in New York’s 7th Congressional District

Reynoso's version of this story ↗

DSA-backed candidate for the open seat in New York’s 7th Congressional District

Valdez's version of this story ↗

Former city comptroller and candidate challenging Representative Daniel Goldman

House Minority Leader cited by Featherstone as part of Democratic leadership

Chuck Schumer
D · NY · SEN

Senate Minority Leader cited by Featherstone as part of Democratic leadership

Representative facing Brad Lander in a primary challenge

Representative facing a DSA-backed primary challenger in New York’s 13th Congressional District

Representative leaving the seat sought by Valdez and Reynoso

ALSO MENTIONED  Aber Kawas, DSA candidate for the New York State Senate; Conrad Blackburn, DSA candidate for the New York State Assembly; Eon Huntley, DSA candidate for the New York State Assembly; Julia Salazar, New York elected official described by Featherstone as an early socialist elected in the current wave; Vito Marcantonio, Former New York socialist congressman mentioned as historical context; Zohran Mamdani, New York City mayor who backs DSA congressional candidates and Brad Lander

Part of a bigger story

11 OUTLETS
Mamdani-Aligned Candidates Win New York House Primaries

Outlets agree that Zohran Mamdani-endorsed candidates, including Darializa Avila Chevalier, won New York Democratic House primaries; Chevalier defeated Rep. Adriano Espaillat. Left-leaning outlets present the races as a grassroots DSA challenge to the party establishment and an expression of an antiwar divide. Center outlets treat the wins as a test of Mamdani’s influence and a debate over the party’s direction, while also covering candidates’ policy plans. Right-leaning outlets foreground the candidates’ Israel positions and portray the results as consequential for Jewish New Yorkers and U.S.-Israel relations.

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