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● InformationalElections / Campaigns

Clean Sweep: A Very Good Night for Mamdani in New York Primaries

Valdez won the Democratic primary for the open seat after defeating Brooklyn Borough President Antonio Reynoso.

Clean Sweep: A Very Good Night for Mamdani in New York Primaries
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This article1 analysis · Oct 5, 2026
tl;dr

The article reports that Zohran Mamdani-backed candidates Brad Lander, Darializa Avila Chevalier and Claire Valdez won or were projected to win Democratic House primaries in New York. It presents the results as evidence of Mamdani’s growing influence in city politics.

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

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Democratic House candidate in New York's 7th District

PRIMARY SUBJECT

Democratic House candidate in New York's 10th District

Lander's version of this story ↗

Democratic House candidate in New York's 13th District

Avila Chevalier's version of this story ↗

Brooklyn Borough President and candidate in the New York 7th District Democratic primary

Joseph Crowley
Former U.S. Representative (D-NY)

Former New York representative cited as Ocasio-Cortez's 2018 primary opponent

New York representative cited as a comparison for Avila Chevalier's projected victory

New York representative and Lander's primary opponent

New York representative and Avila Chevalier's primary opponent

ALSO MENTIONED  Zohran Mamdani, New York City mayor whose endorsements are presented as influential in the primaries; Aber Kawas, Candidate for the New York State Senate; Andrew Cuomo, Former New York governor mentioned in connection with Lander's earlier mayoral primary; Melissa DeRosa, Democratic strategist and former secretary to Andrew Cuomo

Part of a bigger story

10 OUTLETS
Valdez, Lander and Avila Chevalier Win New York City Democratic Primaries

Valdez, Brad Lander and Darializa Avila Chevalier won New York Democratic congressional primaries; all three were backed by Mayor Zohran Mamdani. Valdez won the primary for the open seat Nydia Velázquez is leaving. Left-leaning outlets cast the wins as progressive momentum challenging the Democratic establishment, with one article also examining an antiwar split. Center outlets focus on Mamdani’s influence and what the results signal for the party, alongside other primary races. Right-leaning outlets emphasize the winners’ socialist identity and frame the results as a setback for party leaders or a troubling expansion of socialist influence.

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