translation.en: Somebody once said, Al Qaeda does not have a return address, so if they attack us with a nuclear weapon, what's the response, and to whom is the response?
translation.zh: 有人曾说，“基地”组织 并没有一个“回信”地址 那么如果他们向我们发射核武器 我们怎么反击？反击谁？