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.
These days, it takes only seconds - seconds - for a picture, a photo, to suddenly become an international headline.
The area of climate change has a dramatic impact on national security.
When you cut a half-a-trillion dollars from the defense budget, it affects almost every area in the defense budget.
Go forward, knowing that you are greater than the challenges of your time.
The last thing I want to do is to make the mistakes of the past.
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.
You know, as director of the CIA, I got an awful lot of intelligence about all the horrible things that could go on across the world.
The United States has to have the capability to deal with more than one enemy at one time and be able to confront them and win.
I know that young people sometimes, caught up in the moment, make some very foolish decisions.
After every major conflict - World War I, World War II, Korea, Vietnam, the fall of the Soviet Union - what happened was that we ultimately hollowed out the force, largely by doing deep across-the-board cuts.
Unfortunately these days, there is a hell of a lot that keeps me awake.
One demonstration of extremists, any more than a Ku Klux Klan demonstration in the United States, is not necessarily reflective of what the rest of the country feels.
I mean, the Taliban, my view is that they have been weakened. We have not seen them able to conduct any kind of organized attack to regain any territory that they've lost. We've seen levels of violence going down.
The United States, and the president's made this clear, does not want Iran to develop a nuclear weapon. That's a red line for us. And it's a red line obviously for the Israelis so we share a common goal here.
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