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Mamdani's socialist movement scores major wins in New York power shift

Valdez, a state Assembly member backed by Mamdani, won her primary against the preferred successor to Nydia Velázquez.

Mamdani's socialist movement scores major wins in New York power shift
Image · The Independent

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Outlet credibilityThe Independent77/100 HIGH
This article1 analysis · Oct 5, 2026
tl;dr

Mamdani-backed candidates won several New York Democratic congressional primaries, including victories over Reps. Adriano Espaillat and Daniel Goldman. The results strengthen the mayor’s progressive movement and underscore a dispute over the Democratic Party’s direction.

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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 Valdez in a good or bad light, so readers don’t rate it and it doesn’t count toward Valdez’s record.

● INFORMATIONAL

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Democratic House candidate who won a primary

PRIMARY SUBJECT

Democratic House candidate who defeated Daniel Goldman in a primary

Lander's version of this story ↗

Democratic House candidate who defeated Adriano Espaillat in a primary

Avila Chevalier's version of this story ↗

Democratic House candidate who won the nomination in the race for Jerry Nadler’s seat

Democratic House candidate who lost in a crowded primary field

Donald Trump
R · President of the United States

President whose policies were criticized by Brad Lander and who backed Anthony Constantino

House Democratic Leader who campaigned against some Mamdani-backed candidates

Representative defeated by Brad Lander in a primary

Republican House candidate who won his party’s nomination

Representative defeated by Darializa Avila Chevalier in a primary

Retiring representative whose preferred successor lost to Claire Valdez

Representative whose House seat is being vacated

ALSO MENTIONED  Zohran Mamdani, New York City mayor whose allies won several congressional primaries; Jerry Nadler, Representative whose seat is being vacated

Part of a bigger story

15 OUTLETS
Claire Valdez Wins New York Democratic Primary

Claire Valdez won the Democratic primary for New York’s 7th Congressional District after receiving Mayor Zohran Mamdani’s endorsement. Outlets also report that other Mamdani-backed candidates won New York congressional primaries. Left-leaning outlets present the results as a gain for progressive organizing and a setback for the Democratic establishment, with some stressing Israel-related campaigning. Center outlets report Valdez’s win and treat the broader results as a measure of Mamdani’s influence. Right-leaning outlets frame the wins as a socialist or ideological shift and emphasize concerns about the candidates and implications for Democrats.

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