Unlike Washington, which is stuck in ideological gridlock, Americans feel the impact of climate change in their own hometowns and they know something must be done.

It's one thing to be certain, but you can be certain and you can be wrong.

If we don't go far enough fast enough, the damage we inflict could take centuries to undo - if it can be undone at all.

If you can resolve this transition of [Bashar] Assad, that is absolutely possible, but you have to have a clarity for everybody about the way forward.

I just want to assure you that both President Bush and I have very firm alibis.

We owe our troops the opportunity to serve in the best-planned, best-equipped, and best-led military force in the world, and we owe them the peace of mind that comes from knowing that they and their families will be taken care of if they sacrifice life, limb or the ability to sleep without war's nightmares. We owe them not just thanks and best wishes, but action, and action in our nation's capital.

We don't differ with the government on the demands [on Iran], but we totally reject how Bibi is handling it. Bibi sacrificed good relations with the U.S. to keep the status quo on the Palestinians. He poked the [Obama] Administration in the eye on settlements just to appease right-wingers