Wheat:  Net sales of 351,200 metric tons (MT) for 2020/2021 were up 5 percent from the previous week, but down 34 percent from the prior 4-week average.  Corn:  Net sales of 2,139,000 MT for 2020/2021 were primarily for China (566,400 MT), unknown destinations (371,500 MT), Japan (344,900 MT, including decreases of 30,000 MT), Mexico (281,800 MT, including decreases of 1,400 MT and 54,000 MT late – see below), and Colombia (178,800 MT, including 50,000 MT switched from unknown destinations and decreases of 20,500 MT), were offset by reductions for Trinidad (400 MT) and Panama (300 MT).  Exports of 845,200 MT were primarily to China (204,400 MT), Mexico (159,700 MT), Colombia (130,600 MT), Peru (84,400 MT), and Sou...