The potential for the next Pearl Harbor could very well be a cyber-attack.

One of the principal qualities that you need as national security adviser is trust, the trust of the president. And that depends on truth and it depends on honesty.

Rising sea levels, severe draughts, the melting of the polar caps, the more frequent and devastating natural disasters all raise demand for humanitarian assistance and disaster relief.

I have tremendous confidence in the ability of government institutions and the American people to do what is right to make sure that our democracy stays on the right track.

Sexual assault has no place in the military. It is a violation of everything that the US military stands for.

Well look, CIA is an agency that has to collect intelligence, do operations. We have to take risks and it's important that we take risks and that we know that we have the support of the government and we have the support of the American people in what we're doing.

Russians understand strength, and if they feel that their opponents are weak, they will take advantage of it.