European left-wing politicians are crossing the Atlantic to study a campaign model they see as a blueprint for revival — the campaign of New York Assemblyman Zohran Mamdani, a Democratic Socialist whose grassroots machine has captured attention far beyond his Queens district. According to a Politico Europe report on Monday, far-left delegations from France, Germany and the U.K. visited New York this week to observe Mamdani’s operation firsthand. Among them were the deputy leader of...










