Even limited military actions end up carrying with them great costs and unintended consequences.

The world only makes sense to me given my life and my background if, in fact, we're not just an assortment of tribes that can never understand each other, but that we're, rather, one common humanity that can meet and learn and love each other.

The things that led me to run for office - trying to figure out how we create an economy where everybody's got a fair shot and if you work hard, you can achieve your dreams.

You haven't seen a lot of turnover in my campaign. And the culture of my campaign is one in which I think everybody feels a great sense of ownership.

I was always amused that people were either skeptical or surprised that I would choose a Hillary Clinton as a secretary of state. To my mind, having somebody smart, tough, capable with her own stature, who could travel around the world and command the stage, was a huge asset.

We don't make determinations about who we love. And that's why I think that discrimination on the basis of sexual orientation is wrong.

One of the things that we have to change in this country is the idea that people can't disagree without challenging each other's character and patriotism. I have never suggested that Sen. McCain picks his positions on national security based on politics or personal ambition. I have not suggested it because I believe that he genuinely wants to serve America's national interest. Now, it's time for him to acknowledge that I want to do the same. Let me be clear: I will let no one question my love of this country.