Japanese Prime Minister Shigeru Ishiba and U.S. President Donald Trump agreed Friday to explore holding a face-to-face meeting in June on the fringes of the Group of Seven summit in Canada, with both expressing hope that a preceding round of ministerial-level tariff negotiations will be "productive."In a roughly 45-minute telephone conversation, Ishiba and Trump also agreed on the need to achieve "win-win" bilateral relations through the tariff negotiations, Ishiba told reporters, though the two did not go into detail.The call, requested by the U.S. side, came ahead of another round of mini…READ FULL ARTICLE