What does North Korea really want? Its playbook offers clues

Threatening to fire a volley of missiles toward a major U.S. military hub — and the home to 160,000 American civilians — may seem like a pretty bad move for a country that is seriously outgunned and has an awful lot to lose.But pushing the envelope, or just threatening to do so, is what North Korea does best.By announcing a plan to send four "Hwasong-12" intermediate range missiles over Japan and into waters near the Pacific island of Guam, Pyongyang has significantly upped the ante