Mamdani won big, but it's a mistake to think all Democrats swung left: ANALYSIS

All three Mamdani-backed candidates in New York City won their races.

New York Mayor Zohran Mamdani wasn't on the ballot Tuesday, but he may have been the biggest winner of the night.

All three of the candidates he endorsed in New York City -- Claire Valdez, Darializa Avila Chevalier and Brad Lander -- won their respective races . Lander and Avila Chevalier defeated better-funded incumbents with deep establishment support. Valdez overcame Brooklyn Borough President Antonio Reynoso, the preferred successor of retiring Rep. Nydia Velazquez.

The victories show that Mamdani's political influence extends beyond his own campaign, helping propel allies to victory. His endorsement is proving to be a meaningful signal to an energized progressive base. The results underscore his growing ability to shape the direction of Democratic politics in the nation's largest city.

The wins are especially notable because they came in races where Mamdani found himself at odds with some of the Democratic establishment, including House Minority Leader Hakeem Jeffries. Jeffries backed Reps. Dan Goldman and Adriano Espaillat, both of whom lost. Asked by ABC News Wednesday whether voters had sent him a message by rejecting candidates he supported, Jeffries declined to engage and instead pivoted to New York's 17th Congressional District, where Democrats are hoping to defeat Republican Rep. Mike Lawler this fall.

That response highlights the challenge Democrats are navigating.

The New York City races were about affordability, but they were also flashpoints in some of the party's biggest internal debates. Immigration enforcement, Israel and Gaza and ongoing frustration with the political establishment all played a role.

Throughout the campaign, Mamdani and his allies argued that Democrats need to do a better job speaking to working-class voters struggling with the cost of living. After Tuesday's victories, Mamdani framed the results as evidence that voters are hungry for politics that put working people at the center of the conversation.

At the same time, the broader primary results are a reminder that Democratic voters are not moving uniformly to the left.

Just north of New York City, in the battleground 17th District, combat veteran Cait Conley won her crowded primary as a more moderate Democrat. On the campaign trail, she focused on national security and affordability, largely steering clear of some of the party's biggest intraparty fights.

And across the country in Utah's newly drawn 1st District, former Rep. Ben McAdams, a centrist Democrat, prevailed over further-left progressives.

Taken together, the results suggest Democratic voters are being highly pragmatic. In deep-blue districts, they're embracing progressive candidates who promise dramatic change and are willing to challenge the party establishment. In swing districts and suburban battlegrounds, they're continuing to gravitate toward candidates they believe can win competitive general elections.

Democratic leaders around the country aren't going to copy-and-paste New York City politics, but these results do reinforce that many Democratic voters are demanding a more aggressive message and messengers.

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