Russia's aggression in Ukraine, which gave up its huge nuclear arsenal 30 years ago in return for security guarantees by world powers, is expected to reinforce North Korea's determination not to give up its own nuclear weapons.Looking at the situation unfolding in the former Soviet republic, North Korean leader Kim Jong Un will likely conclude that possessing nuclear weapons is the most reliable way to maintain his family's dynasty, which began when the country was established in 1948 with the backing of the Soviet Union, foreign affair experts said.And since the Ukraine crisis is likely to…READ FULL ARTICLE