Japan, the United States and South Korea are planning to hold a three-way summit on the fringes of a NATO leaders' gathering in Spain next week, diplomatic sources close to the matter said Tuesday.Leaders from the three nations will likely discuss imminent issues such as responses to North Korea, which has been repeatedly launching ballistic missiles despite mounting criticism from the international community, the sources said.It will be the first top-level meeting between the three countries since September 2017. If realized, Japanese Prime Minister Fumio Kishida, U.S. President Joe Biden,…READ FULL ARTICLE