Nassau County Republicans romped at the polls Tuesday partly because a strategy to tie local Democrats to Zohran Mamdani “clearly worked” because his socialist agenda has “no allure in the suburbs,” insiders claimed.

Mamdani’s progressive policies fueled his victory in the city Tuesday as Democratic candidates won in high-profile races in New Jersey and elsewhere — but those policies were ballot poison just over the border on Long Island, insiders said.

“We sent the message that there is a big red line between New York City and [Nassau County],” John Ferretti, who was elected as Hempstead’s town supervisor, said on Election Day.

The GOP held onto the top countywide seats as well as the top seat in Hempstead after a campaign where they features local candidates alongside Mamdani.

“It

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