But I would like to explore a lesser-known debate triggered by 9/11. Exactly how many events took place in New York on that morning in September? It could be argued that the answer is one. The attacks on the buildings were part of a single plan conceived in the mind of one man in service of a single agenda. They unfolded within a few minutes and yards of each other, targeting the parts of a complex with a single name, design, and owner. And they launched a single chain of military and political events in their aftermath.