Japanese Prime Minister Shigeru Ishiba on Monday failed to secure a tariff exemption during a telephone call with U.S. President Donald Trump, but the two leaders agreed the issue should be further discussed by their ministers.Ishiba said he conveyed Japan's serious concern that the "unilateral" imposition of tariffs on Japanese products would hurt investment by Japanese firms, adding that the two nations should pursue broader, mutually beneficial cooperation instead of tariffs.Trump, who has announced a 24 percent "reciprocal" tariff on Japanese products effective Wednesday, said on his so…READ FULL ARTICLE