"Fusion" began as a short story and evolved into a performance piece, which I believe makes a much stronger and more dramatic impact.
This second attack on the World Trade Center has had a global effect because of the broad, international spectrum of peoples represented in the log of victims. In every conflict, in every war, there is what is called "collateral damage" - unintended consequences, unintended victims. But the target of the attack was plain. Thus, the characters in this story dare to ask "Why? What did WE do?"