Hunter Biden, son of former President Joe Biden, said the Democratic Party should rethink its political strategy after a slate of progressive and socialist candidates backed by New York City Mayor Zohran Mamdani (D) won their primary races in New York this week.
The victories in three House primary races highlighted Mamdani's growing influence within the party. Hunter Biden praised the results as evidence that voters are seeking candidates with more definitive ideological positions than establishment Democrats.
What the Left Is Saying
Progressive voices echoed Hunter Biden's assessment that conviction-based campaigns outperformed cautious, triangulating strategies on Tuesday.
"The middle is not a strategy," Biden wrote in a post on X. "Voters reached past the establishment to grab someone who actually believes something." He argued that candidates who spoke directly about core issues including affordability, housing security and the war in Gaza outperformed more moderate rivals.
Biden praised Mamdani's political approach, writing, "If you want to lead a party you have to be willing to fight inside it. Mamdani didn't ask permission. He took the field."
He said focusing on cost of living is "everything," and that candidates who "said hard things about rent, about who pays for what, about Gaza" won their races.
What the Right Is Saying
Conservative critics pointed to the results as evidence of Democratic Party infighting rather than a winning formula. They argued that progressive positions on issues like Gaza could be liabilities in competitive general election districts.
House Minority Leader Hakeem Jeffries (D-N.Y.), while acknowledging Mamdani's influence, dismissed concerns that the primary wins could hurt Democrats in upcoming elections. "The mayor and I agree to strongly disagree about some of his endorsements," he said when asked about Mamdani's decision to endorse against incumbents.
Jeffries noted that he and Mamdani have a "very good" relationship and said the mayor still has work ahead regarding conversations with members of Congress, though he stopped short of suggesting the primary results would harm Democratic chances in November.
What the Numbers Show
All three of Mamdani's picks won their House primary races. Former mayoral candidate Brad Lander unseated Rep. Dan Goldman (D-N.Y.) in the 10th Congressional District. Political newcomer Darializa Avila Chevalier ousted five-term Rep. Adriano Espaillat (D-N.Y.) in the 13th District. Democratic socialist Claire Valdez won the race to succeed retiring Rep. Nydia Velázquez (D-N.Y.) in the 7th District.
All three winners ran on platforms emphasizing housing affordability, tenant protections and positions on the Israel-Gaza conflict that diverged from more establishment-aligned candidates.
The Bottom Line
The primary results represent a significant test of whether progressive, conviction-based campaigns can succeed within the Democratic Party structure. Mamdani's coordination operation demonstrated an ability to unite progressive voters across multiple districts simultaneously.
What remains unclear is how these candidates will fare in November general elections, where they could face Republican opponents in traditionally Democratic districts. The outcomes will likely inform debates within the party about campaign strategy heading into the 2026 midterm cycle.