‘150-day battle’: N. Korea succession drama?

This article speculates on why the North Koreans have been testing missiles and such lately. They've come to the conclusion that it is to instill them with "national pride." They believe this is a military campaign to unify the nation. This article also addresses the issue of succession in North Korea while the leader Kim Jong Il's health worsens. Kim was said to want to name his successor in 2012, but the process has sped up to what's been billed in the North as a "150-day battle."