奥巴马授予拜登"总统自由勋章"的演讲
President Obama: Hey! All right, that's enough. Don't want to embarrass the guy. Welcome to the White House, everybody. As I have already delivered my farewell address, I will try to be relatively brief. But I just wanted to get some folks together to pay tribute to somebody who has not only been by my side for the duration of this amazing journey, but somebody who h...