The United States has kept the peace through our alliances. Donald Trump wants to tear up our alliances. I think it makes the world safer and, frankly, it makes the United States safer. I would work with our allies in Asia, in Europe, in the Middle East, and elsewhere. That's the only way we're going to be able to keep the peace.

I have a lot of experience dealing with classified material, starting when I was on the Senate Armed Services Committee going into the four years as secretary of state.

I think that we have to look at ISIS as the leading threat of an international terror network. It cannot be contained, it must be defeated.

Every day is a crossroads. Every day is a chance to change your life and our world for the better.

I think what President [Barack] Obama has done is to chart a steady course. When I was there, the first four years we had a lot of cleanup to do. We inherited a lot of bad feelings from the [George W.] Bush administration, and much of what I spent my time doing was traveling around the world reassuring friends and allies.

My vision of America is an America where everyone has a place, if you're willing to work hard, you do your part, you contribute to the community.

Now I know that Wal-Mart's policies do not reflect the best way of doing business and the values that I think are important in America.