CNN  —  Democratic socialists in New York City emboldened by Zohran Mamdani ’s mayoral primary win are warning that they may go after five House incumbents next — and Hakeem Jeffries, the minority leader at the top of their list, is daring them to try. Jeffries’ political operation even has a nickname for those talking up threats to the House minority leader back home: “Team Gentrification.” That phrase reflects that Mamdani turned out young progressives who, according to unofficial election