Japan's top government spokesman on Tuesday condemned North Korea's development of nuclear weapons as "utterly unacceptable" after the reclusive country's leader Kim Jong Un vowed to continue expanding its arsenal."We will continue to cooperate closely with the United States and South Korea as well as work with China, Russia and other members of the international community to ensure U.N. sanctions are enforced in their entirety and to realize North Korea's denuclearization," Chief Cabinet Secretary Katsunobu Kato said at a press conference.Speaking at the ongoing congress of the Workers' Pa…READ FULL ARTICLE