Wheat:  Net sales of 298,600 metric tons for delivery in the 2018/2019 marketing year were reported for South Korea (75,500 MT), Sri Lanka (65,000 MT, switched from Singapore), Japan (38,500 MT), Mexico (35,300 MT, including decreases of 47,300 MT), and Taiwan (29,300 MT).  Reductions were primarily for Singapore (45,000 MT) and the Philippines (9,800 MT).  For 2019/2020, net sales of 138,800 MT were primarily for the Philippines (43,500 MT), Colombia (27,000 MT), Nigeria (24,000 MT), and Mexico (22,300 MT).  Exports of 357,000 MT were reported for the Philippines (63,700 MT), Japan (54,700 MT), South Korea (51,000 MT), Mexico (44,900 MT), and Colombia (33,600 MT).   Corn:  Net sales of 855,900 MT for 201...