Many commentators have compared this attack on the American mainland to Pearl Harbor. But unlike the Japanese in 1941, today's enemy-terrorism-is unpredictable and elusive.
許多人將美國本土遭受攻擊與珍珠港事件相比，然而不同於六十年前的是，發動這次攻擊行動的敵人，是捉摸不定、看不見的恐怖主義。