translation.en: "Defining moment in American history, I don't think there's one; you can't say Hiroshima, that's a big one -- I can't think of any one moment I would say is a defining moment.
translation.zh: 美国历史上的决定性时刻，我认为没有； 你不能说就是广岛，那是个大事件-- 我觉得我无法想出哪一个时刻为决定性时刻。