The little success Japanese Prime Minister Shinzo Abe had in coaxing U.S. President Donald Trump into a multilateral trade framework showed the limitations of diplomacy when it is based solely on a personal relationship.While he drew a renewed commitment from Trump to help bring back Japanese nationals abducted by North Korea in the 1970s and 1980s, political experts say he needs to explore alternative approaches to trade issues.Abe and Trump, who share an obvious interest in dealing with Pyongyang's nuclear and missile programs, reaffirmed their cooperation in pursuing the denuclearization…READ FULL ARTICLE