Senior diplomats from South Korea, Japan and the United States on Friday agreed to bolster their security cooperation and deterrence against North Korea, condemning its repeated ballistic missile launches amid growing concerns over a possible nuclear test by Pyongyang.During a meeting in Seoul, Sung Kim, U.S. special representative for North Korean affairs, and his South Korean and Japanese counterparts, Kim Gunn and Takehiro Funakoshi, also confirmed their shared view that the North's reinforcement of nuclear and missile development is "a clear and serious challenge to the international co…READ FULL ARTICLE