You're always going to have terrorism.

I'm just very wary that once you start military operations in any country, it's very difficult to predict what the outcome is.

Historic changes and challenges. Breakthroughs in human knowledge and opportunity. And yet, for vast numbers across the globe, the daily realities have not altered.

Together, we can create a world in which peace is real; in which every human being can thrive; in which all share the promise of our century. I believe we can succeed.

I'm not the type of person that is forced.

I personally believe that any country that has a nuclear program should conform to international regulations and should have international regulatory bodies that check to make sure that any nuclear program moves in the right direction.

There is resistance to change. There's a resistance to ideas.