If everything seems to be the same and no distinctions are made, then we won't know what to protect. We won't know what to fight for.

The Holy Koran tells us, 'O mankind! We have created you male and a female; and we have made you into nations and tribes so that you may know one another.'

If people, whether they are conservative or liberal, left or right, are unwilling to compromise and engage in the democratic process, and are taking absolutist views, and demonizing opponents, then democracy will break down.

When you're a candidate and you say something that is inaccurate or controversial, it has less impact than it does when you're president of the United States. Everybody around the world's paying attention. Markets move. National security issues require a level of precision in order to make sure that you don't make mistakes.

People need to remember we are the governing party because we have diversity of opinion in our party. We're not pure. We have moderates and we have more progressives.

I mentioned charter schools, and experimenting with our school system, to make it work. I think that's something we really have to pay attention to.

Here in Europe some of the challenges have to do with structures that are so complicated. You've got Brussels, and you've got parliament, you've got councils and then you've got national governments. So people sometimes don't feel as if they know who's making decisions, and the more that we can bring people in and engage them, the better. Some of it is also cultural and social, people's sense of identity.