THE PRESIDENT: Thank you, General, for your kind and short introduction. (Laughter.) I am pleased to be back at the National Defense University again. It turns out this is my fifth visit as President.
Daria van den Bercken在Ted英语演讲: Why I take the piano on the road and in the air，讲述了为什么要在街头,空中演奏的英语演讲。 Recently, I flew over a crowd of thousands of people in Brazil playing music by George Fride
They published the data, 他们发布了这些数据， and it actually transformed clinical practice in the country. 而这一举动改变了整个国家的临床实践。 Everybody saw this makes a lot of sense. 大家都发现这样做很有意义。 Since then, they publish eve
November 30, 2007 11:43 A.M. EST THE PRESIDENT: Tomorrow is World AIDS Day, and Laura and I are honored to commemorate the occasion here at the Calvary United Methodist Church. And we're honored to co
