Japan and the United States eye holding "two-plus-two" security talks between their foreign and defense ministers soon, possibly in January, diplomatic sources said Wednesday, with the allies facing greater security challenges from China, North Korea and Russia.The first talks being held in that format between the two nations in about a year would follow a planned revision to Japan's National Security Strategy by the end of the year. The nation's long-term security and diplomacy policy guidelines are slated to be updated along with two other key defense documents.With U.S. President Joe Bid…READ FULL ARTICLE