Ash Carter: “If there's any kind of silver lining to this story, it is only this, that as between this story which was optimistic and…”

The international community, United Nations Security Council and especially the other six-party powers must hold North Korea accountable for this latest act and heighten the pressure on North Korea.

We need Congress to come together around providing normal, stable, responsible budgets, because the lack of stability represents one of the single biggest strategic risks to our enterprise at DOD.

"Up-or-out" isn't broken--in fact, it's an essential and highly successful system--but it's also not perfect.

China has and shares important responsibility for this development and has an important responsibility to reverse it.