A key group within the New York City’s Democratic Socialists of America chapter narrowly voted against endorsing City Councilman Chi Osse’s Dem primary challenge against House Minority Leader Hakeem Jeffries.

The decision not to endorse Osse was a victory for Mayor-elect and DSA member Zohran Mamdnai, who advised the DSA against backing an Osse primary against Brooklyn Rep. Jeffries during a meeting last week.

Jeffries, who was first elected to the House in 2013, will likely be the next House Speaker if the Democrats reclaim the majority in the 2026 midterm elections.

Mamdani is trying to strengthen ties with Democratic leadership in Washington and Albany to promote his affordability agenda — and protect the city’s flank from from President Trump’s threats to cut off funding after he ta

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