The potential for China to buy more American agricultural products comes with the threat of duties on the same if trade relations don’t improve. Container rates improved in May but may face antitrust risks. Export order optimism continues to slip in America. Also: employment in the U.S. logistics sector continues to grow as a tariff war looms; Canada, the EU and Japan will appeal America’s metals duties at the WTO; Canada is also querying potential U.S. farm supports; Mexican tomato farmers face an Ecuadorian threat; G7 criticism won’t change much in the U.S.; South Korea steps closer to...