I've got a great sense of where I want to lead and I'm comfortable with why I'm running. And, you know, the call on that speech was, beware. This is going to be a tough campaign.

If I look back to when I was 20 and somebody said you'd be president, I would have said no way.

In terms of the economy, look, I inherited a recession, I am ending on a recession.

I was the Commander in Chief with men and women in combat. And the idea of trying to agonize in public or show weakness would have demoralized them.

From music and dance to painting and sculpting, the arts allow us to explore new worlds and to view life from another perspective. They also encourage individuals to sharpen their skills and to nurture their imagination and intellect.

I have made a lot of tactical decisions that historians will look back and say: He shouldn't have done that. He shouldn't have made that decision. And I'll take responsibility for them. I'm human.

In time, perhaps, we will mark the memory of September 11th in stone and metal, something we can show children, as yet unborn, to help them understand what happened on this minute and on this day. But for those of us who lived through these events, the only marker we’ll ever need is the tick of a clock at the 46th minute of the eighth hour of the 11th day.