When Benjamin Netanyahu stepped toward New York this week for the United Nations General Assembly, he entered a city whose mayor had publicly called for his arrest — a collision between municipal politics and international diplomacy rarely seen in modern statecraft. Before his plane touched down, Netanyahu issued a pointed rebuke of Mayor Mamdani, choosing to seize the narrative rather than absorb the symbolism of arriving on contested ground. The moment reflects something larger than one leader's legal jeopardy: it speaks to a world in which the old courtesies of diplomatic immunity are being