U.S. Defense Secretary Jim Mattis is likely to visit Japan in late June for talks with his Japanese counterpart Itsunori Onodera on North Korea, sources close to bilateral ties said Thursday.During the talks, which will follow the first-ever U.S.-North Korea summit on June 12, the defense chiefs are expected to reaffirm the two countries' commitment to continuing to apply pressure on North Korea until its complete denuclearization, the sources said.To underscore the closeness of the allies, U.S. President Donald Trump could also visit Japan to meet with Prime Minister Shinzo Abe after the s…READ FULL ARTICLE