After all, when the world looks to America, they look to us because we are the most successful political and economic experiment in human history.

But I want to just caution, it is not incumbent on the United States to prove that Saddam Hussein is trying to acquire weapons of mass destruction. He's already demonstrated that he's trying to acquire weapons of mass destruction.

I'm saying there is no way that I will do this, because it's really not me. I know my strengths, and governor Romney needs to find someone who wants to run with him. There are many people who will do it very, very well, and I'll support the ticket.

I will never forget the bright September day, standing at my desk in the White House, when my young assistant said that a plane had hit the World Trade Center - and then a second one - and a third, the Pentagon.

Ultimately, we didn't go to Germany to create a democracy. We went to overthrow Adolf Hitler. But once a democracy was there, Germany was a much bigger supporter of and help to our national interests, both economic and security than had ever been before.

Every good leader is part manager and every good manager is part leader.

We need to fight protectionism with everything that we have because when there's a level playing field and when you have open markets and when free trade is flourishing, American workers, American farmers, Americans are going to benefit.