Chuck Hagel: “Missile defense is an essential component of securing this country, the interests of this country.”

I don't believe so, because there will be a question of trust and confidence in the panel, the makeup, if it's not transparent.

Climate change is a national security threat.

It just feeds into all that instability, and unrest, and unpredictability, which makes a damn dangerous world.

It is a responsibility of the Congress.