Every three weeks, we bring online as much solar power as we did in all of 2008...That’s why, over the past six years, we’ve done more than ever before to combat climate change, from the way we produce energy, to the way we use it.

What I value most about Pastor Wright is not his day-to-day political advice. He's much more of a sounding board for me to make sure that I am speaking as truthfully about what I believe as possible and that I'm not losing myself in some of the hype and hoopla and stress that's involved in national politics.

No country on Earth would tolerate missiles raining down on its citizens from outside its borders.

Will not collect a ransom in exchange for not crashing the American economy.

Now is the time for all of us to take our share of responsibility for a global response to global challenges.

You [as a president] have to have a strong team around you. You have to have respect for institutions and the process to make good decisions because you are inherently reliant on other folks.

Obviously I'm grayer, a few more wrinkles. One of the things I'm proud about is that I think my basic character and outlook actually have not changed much. And people who are closest to me will tell you that the guy who came here is the same guy who's leaving.