Twenty-five years after the September 11 attacks, the question of who may stand at the altar of collective grief has become a contest over memory, belonging, and the boundaries of political trust. New York City Mayor Zohran Mamdani faces a petition signed by more than 100,000 people — including families of the fallen — who argue that his past associations with figures linked to radical Islam disqualify him from participating in the anniversary memorial. The dispute reveals how a day set aside for shared mourning can become a mirror for the unresolved fractures a society carries long after the