Chuck Hagel: “I think the entire committee is very pleased that you have put this on your list, on your agenda, as a high priority.”

This is so unpredictable. And we've never seen anything quite like this in our lifetime, so there is no playbook here.

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.

The President has determined that closing it is a national security imperative.

It is a responsibility of the Congress.