I am optimistic that we can do this, but I talk to skeptics who claim there is no hope. They say: "Inequity has been with us since the beginning, and will be with us till the end-because people j

We dare not tempt them with weakness. 我们不敢以示弱去诱惑他们。 For only when our arms are sufficient beyond doubt can we be certain beyond doubt that they will never be employed. 因为只有当我们的武力无可置疑地壮大时，我们才能毫无疑问地确信永远

Hi, everybody. Last summer, I got a letter from a woman named Elizabeth Paredes from Tucson, Arizona. Elizabeth is the mom of a 3-year-old boy, and an assistant manager at a sandwich shop. She earns a

Quick question for you, Dan. So you're a movement -- (DW: Chauvinist.) -- chauvinist. 我问一个简短的问题。所以你是一个运动--（沃：沙文主义者。）--沙文主义者。 Does that mean that you think that the other things we think our brains are

获得TED大奖殊荣的JamieOliver通过讲述他在亨廷頓.弗吉尼亚州反肥胖症项目的经历，对所有无视饮食健康的状况提出了全面的进攻。 Jamie Oliver: Teach every child about food 教会每个孩子如何饮食 Sadly, in the next 18 minutes when I do our chat, four Americans that are aliv