[...] I didn't understand that the worst damage to the country was being done not by the pathogen but by the immune system's massive overresponse to it, because I didn't have a TV. I was mentally comparing Tuesday's death toll with other tallies of violent death--three thousand Americans killed in traffic accidents in the thirty days preceding September 11--because, not seeing the images, I thought the numbers mattered. I was devoting energy to imagining, or resisting imagining, the horror of sitting in a window seat while your plane came in low along the West Side Highway, or of being trapped on the ninety-fifth floor and hearing the steel structure below you begin to groan and rumble, while the rest of the country was experiencing actual real-time trauma by watching the same footage over and over. [...]