In Ghostly Matters, the sociologist Avery F. Gordon suggests that we "ponder the paradox of providing a hospitable memory for ghosts out of a concern for justice."1 The phrase she italicizes is from Jacques Derrida's Specters of Marx, as is the concept, though, in Derrida's original, the paradox is so elaborately convoluted as to seem unable to extricate itself from the idea at hand. In the event, he opts to glimpse no more than a glimpse.2 Fair enough. Very early on, Derrida says his text will proceed "like an essay in the night."3 Mine, however, like its subject, will proceed in bright daylight. This essay is about a protest march that took place on a beautiful spring day, from noon to five, though it was part of something that had already taken place, and would take place again, and, perhaps, was never not taking place, namely protestation...