Ash Carter: “I think that is an important thing to do.”

"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.

This, for the eighth fiscal year in a row. That's a deplorable state of affairs.

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.