U.S. Secretary of State Hillary Clinton has demanded North Korea face `` consequences '' for this attack . Charles Armstrong says new conflict between North and South shows tension unabated . International probe shows North Korea sunk South 's Navy ship , he says ; South is furious . Score: 6 Writer : Armed conflict threatens ; but could be opportunity for new negotiations with North .
Charles Armstrong says new conflict between North and South shows tension unabated . International probe shows North Korea sunk South 's Navy ship , he says ; South is furious . Score: 6 Writer : Armed conflict threatens ; but could be opportunity for new negotiations with North .