July 11, 2007 1:03 P.M. EDT THE PRESIDENT: Thanks for coming. Please be seated. Good afternoon. Welcome to the White House, I'm glad you're here. There are certain traditions that all Americans look f
TED Technology, Entertainment, Design在英语中的缩写，美国的一家私有非营利机构，以它组织的TED大会著称；将"用思想的力量来改变世界"作为宗旨。事实上，除了科技、娱乐、设计的主题，这场盛会涉及的领域还在不断扩展，展现着涉及几乎各个领域的各种见解，TED的演讲简短且深刻，参加者们称它为 “超级大脑SPA”。 The "Dirty Jobs" crew and I
Hi, everybody. This Monday, I'm heading to Alaska for a three-day tour of the state. I've been looking forward to this for a long time. Not only because Alaska is one of the most beautiful pla
