This article (http://www.stuff.co.nz/stuff/0,2106,3327300a12,00.html) *sorry, won't let me hyperlink*
talks about how at the g8 summit of the worlds top developed industrialized nations, Japan will bring up the threat/situation with North Korea and their nuclear ambitions. The Japanese government thinks the situation is very troubling (as do most nations, except for fringe groups in Zimbabwe, etc...) and I assume they will discuss with the other world powers on how to negotiate to a void conflict