9/11 Commission Report — Chapter 12
“ Now threats can emerge quickly.An organization like al Qaeda, headquartered in a country on the other side of the earth, in a region so poor that electricity or telephones were scarce, could nonetheless scheme to wield weapons of unprecedented destructive power in the largest cities of the United States. In this sense, 9/11 has taught us that terrorism against American interests “over there” should be regarded just as we regard terrorism against America “over here.” In this same sense, the American homeland is the planet. ”
