The terrorism from 9/11 has metastasized. It's metastasized in Iraq and Syria, in Nigeria, in Somalia, in Yemen and in other places in North Africa. We need a very comprehensive strategy to deal with that threat.

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

I think the primary message to the world is that the United States is going to remain the strongest military power in the world.

These days, it takes only seconds - seconds - for a picture, a photo, to suddenly become an international headline.

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.

We either believe in the dignity of the individual, the rule of law, and the prohibition of cruel and unusual punishment, or we don't. There is no middle ground.