Our Nation's founding commitment is still our deepest commitment: In our world, and here at home, we will extend the frontiers of freedom.

How can you possibly have an international agreement that's effective unless countries like China and India are not full participants?

Thats why we are inconveniencing air traffickers, to make sure nobody is carrying weapons on airplanes.

I think you ought to be open-minded as to where life takes you.

Democracy will be transformative. It will help other societies realize the benefits of freedom. Nothing's as big as that, in terms of peace.

We have a serious problem: America is addicted to oil... The best way to break this addiction is through technology.

We ought to be using nuclear power. It's a renewable source of energy.