Zohran Mamdani’s Democratic Socialists of America faction supported a radical pro-North Korea rally where the crowd chanted "death to imperialism," from the US, The Post has learned. The New York chapter of the ultra-progressive group, of which Mamdani is the most prominent member, endorsed the People's Summit for Korea in the city, which bizarrely calls for the reunification of the country — with despot Kim Jong Un in charge!