February 16, 2008 THE PRESIDENT: Good morning. At the stroke of midnight tonight, a vital intelligence law that is helping protect our nation will expire. Congress had the power to prevent this from h

Hi, everybody. 大家好。 This week, I spent some time in Colorado and Texas, talking with people about what's going on in their lives. 本周，我来到了科罗拉多和德克萨斯州，与当地的人们谈论了他们当前的生活状况。 One of them was Elizabeth Cooper

This is really a two-hour presentation I give to high school students, cut down to three minutes. 这真的是一个我给高中学生做的2个小时的演讲，现在缩到了3分钟。 And it all started one day on a plane, on my way to TED, seven years a

This gadget you see right here was called the digital wall mapper, 你们在这里见到的这个是电子墙体测绘仪， and it produced the first three-dimensional map anybody has ever done of a cave, and it happened to be underwater

This week, I traveled to Afghanistan—to thank our troops serving far from home, and to sign an historic agreement that will help us complete our mission and end the war. As Commander-in-Chief, nothing