North Korea is likely to conduct a nuclear test next year in an attempt to boost itself as an atomic power and shore up the regime's legitimacy at home as Pyongyang prepares for a dynastic power transfer, South Korea's state-run think tank warns. North Korea is also expected to launch more long-range ballistic missiles and provoke military clashes along the heavily fortified border with South Korea, the Korea Institute for Defense Analyses said in its 2010 outlook. North Korea conducted its second nuclear test last May following its first in 2006, which led to tougher trade and financial sanctions by...