The United States expects Japan to play a "significant" role in shouldering the costs of North Korea's denuclearization and future economic development, given its economic power and its interest in the stabilization of Pyongyang, the U.S. ambassador to Japan said Friday."Japan is the most logical partner given its proximity to help with the economic development of North Korea," William Hagerty said in an interview with Kyodo News. "It's very logical that Japan's role would be significant in this area."After his summit with North Korean leader Kim Jong Un on Tuesday in Singapore, U.S. Presid…READ FULL ARTICLE