Chuck Hagel: “He has called the war in Iraq the most dangerous foreign policy blunder this country has made since the Vietnam War.”

That administration really laid out in 1991 and 1992 the threats of climate change, especially for national security.

Iraq's continued political progress toward a more inclusive and representative government and its programs of reform and reconciliation will be critical to achieve the progress required.

Climate change is a national security threat.

The Chinese are watching this as relates to Taiwan, the Iranians, the North Koreans -- all countries are watching this, and watching the U.S. response to it, and the West response to it.