We have long known that U.S. President Donald J. Trump thinks the U.S.-Japan relationship is unbalanced and that Japan should contribute more to the alliance, but few of us ever expected that he would publicly criticize the bilateral security treaty as "an unfair agreement" while at the G-20 meeting in Osaka last month.Why did Trump choose this trip to revive a complaint he has mentioned occasionally since the 1980s, though not so frankly as president, and how meaningful is it? The short answers are "politics" and "possibly important," if counter arguments are not made effectively.Although …READ FULL ARTICLE