the People’s Republic of China won’t help the U.S. rein in the rogue regime of North Korean dictator Kim Jong Il -- which this week conducted a failed test of a missile designed to reach American cities -- then the U.S. should stop helping China with its own economic and technological development. China must support the U.S. position on North Korea in the U.N. Security Council or pay a price for not doing so. In response to North Korea’s missile tests, Japan has sponsored a resolution in the Security Council that would bar nations from giving North Korea money, material...