Well, the United States is a Pacific power. And we have always had a presence in the Pacific.

My impression is that Putin feels that he can basically manipulate the West to do what he ultimately wants to achieve, and that he feels he's gotten away with it so far, and that all he has to do is basically play the same game.

An aggressor nation or extremist group could gain control of critical switches and derail passenger trains, or trains loaded with lethal chemicals.

You don't deploy forces into harm's way without knowing what's going on.

The reality is that the United States military alone cannot be all things to all nations. We will sharpen the application of our resources, better deploy our forces in the world and share our burdens more and more effectively with our partners. And frankly, all our allies need to do the same.

I want you and the people of Israel to know a few things that have not and will not change. The United States stands firmly with Israel, and we have a rock solid commitment to the security of Israel and to the security of its citizens.

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.