Three months ago Pyongyang fired off a missile, but the Security Council didn’t do much about it. Today they reportedly conducted a nuclear test, and some commentators are already saying we can’t do much about it except engage in “direct talks” with the North. Not so, says the AEI’s Dan Blumenthal, former senior director for China, Taiwan and Mongolia in the Secretary of Defense’s Office of International Security Affairs, who offers some policy advice in the current Weekly Standard. He writes: