Mr. Socialist goes to Washington.

Mayor-elect Zohran Mamdani wants to “speak plainly” to President Trump about making New York City more affordable during their high-stakes White House meeting Friday — as the political world waits to see if it’ll implode bigly or end up surprisingly cordial.

Trump and Mamdani have traded swipes for month, with the president threatening to cut the city’s federal funding if “my little Communist” was elected, and the democratic socialist condemning his attempts to meddle in the mayoral race.

“I have many disagreements with the president, and I believe that we should be relentless and pursue all avenues and all meetings that could make our city affordable for every single New Yorker,” Mamdani said during a City Hall Park news conference Thursday.

“I in

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