NEW: A nonprofit backed by far-left George Soros is trying to silence a surging movement to keep NYC Mayor Mamdani from attending the 25th-anniversary memorial for victims of the 9/11 attacks. Soros' Open Society Foundation has funneled $525,000 to the nonprofit since 2016.
Far-left group funded by George Soros trying to silence 9/11 families' anti-Mamdani petition
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