Korean War could resume in a matter of hours. US troops in ROK could be drawn in quickly.
Later: RT @markmackinnon ... without UN action, Seoul has to go ahead or lose credibility at home and in the region. Expect North will also keep promise to retaliate
Later: @markmackinnon: It would seem South Korea's controversial drill is now over. No North Korean response. Did Seoul just win a terrifying game of chicken?
Monday morning: NYT "North Korea Says It Will Not Retaliate After South’s Drills" http://me.lt/4C0x0