We've evolved a lot since 9/11 also, in terms of our law enforcement capabilities, our intelligence capabilities, military, counterterrorism.

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.

We can lead this world and make it safer and more secure for our children and our grandchildren, for generations to come.

Before we get too depressed about the state of our politics, let's remember our history ..... Many forms of Government have been tried, and will be tried in this world of sin and woe. What is amazing, is that despite all the conflict, our experiment in democracy has worked better than any form of government on earth

As I reflect back on what's worked for me in this [presidential] office it's been that I've gotten people who maybe didn't believe in the process to get engaged. Ironically, I've even gotten the other side that maybe didn't believe in the process to get engaged.

The problem is, that we've got a position, often times by the NRA that says any regulation whatsoever is the camel's nose under the tent. And that, I think, is not where the American people are at.

Our journey is not complete until all our children... know that they are cared for and cherished and always safe from harm.