People in every country should be free to choose and live their faith based upon the persuasion of the mind, and the heart, and the soul. This tolerance is essential for religion to thrive.

Listening to evangelicals bridges major political fault line.

Ultimately, if you think about all the youth that everybody has mentioned here in Africa, if everybody is raising living standards to the point where everybody has got a car and everybody has got air conditioning, and everybody has got a big house, well, the planet will boil over - unless we find new ways of producing energy.

If I'm president, some day, young kids will look at the world differently. They will say, I could be president some day. They couldn't have said that before I came along. The world will see the United States in a different context, as a country of true opportunity for all.

It's hard to anticipate. I can tell you what I'm feeling right now is that I'm busier than I expected these last two weeks. A great deal of emotion around the people that I've worked with and the gratitude I feel for the sacrifices they've made on behalf of the American people, but also on behalf of me personally.

When we don't pay close attention to the decisions made by our leaders, when we fail to educate ourselves about the major issues of the day, when we choose not to make our voices and opinions heard, that's when democracy breaks down. That's when power is abused. That's when the most extreme voices in our society fill the void that we leave. That's when powerful interests and their lobbyists are most able to buy access and influence in the corridors of power - because none of us are there to speak up and stop them.

We should not anticipate that every time countries come together that we are doing some revolutionary thing. Instead of hitting home runs, sometimes we're going to hit singles.