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.

What is true is [Bashar] Assad got rid of his chemical weapons.

A number of countries, including some who have loudly criticized the NSA, privately acknowledge that America has special responsibilities as the world's only superpower, that our intelligence capabilities are critical to meeting these responsibilities, and that they themselves have relied on the information we obtain to protect their own people.

And we remember the end of our combat mission and the emergence of a new dawn - the precision of our efforts against al Qaeda in Iraq, the professionalism of the training of Iraqi security forces, and the steady drawdown of our forces. In handing over responsibility to the Iraqis, you preserved the gains of the last four years and made this day possible.

I think that there's gonna be a lot of work to do in order to consolidate the transformations that I was interested in.

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

That is the story of our history - whether it's the pursuit of prosperity for our people or the struggle for equality for all of our citizens, our commitment to stand up for our values abroad, and our sacrifices to make the world a safer place. Let us remember that we can do these things not just because of wealth or power, but because of who we are. One nation under God, indivisible, with liberty and justice for all.