In a city that has long served as a stage for the collision of global politics and local governance, New York Mayor Zohran Mamdani acknowledged Tuesday what the architecture of international law had always made plain: no American mayor, however impassioned, can unilaterally enforce a warrant issued by a court his nation has never joined. The admission closes a chapter opened during his campaign, when promises to arrest Israeli Prime Minister Benjamin Netanyahu energized supporters but troubled legal scholars. What remains open is the larger question his reversal quietly poses — whether the Int