Japanese Prime Minister Shigeru Ishiba on Monday defended the global economic order that has been in place for decades, promoting the lowering of cross-border trade barriers, at a Group of Seven summit in Canada, as many countries reel from U.S. President Donald Trump's tariff war and unilateralism.Trump's transactional approach to diplomacy and his confrontational trade actions have tested the 50-year-old group's ability to tackle global challenges as the leaders of the major industrial democracies gather in a Canadian mountain resort.Canadian Prime Minister Mark Carney, chair of the summi…READ FULL ARTICLE