This morning, Brazil's Conab revised its estimate of that country's 2013/14 corn production upward to 77.9 MMT, second only to last year's 81.5 MMT. Meanwhile, China is now refusing to accept any DDGS containing the MIR 162 genetic marker. General Comments The next big thing, USDA's June WASDE, will be released at 12:00 PM( EDT) tomorrow (Wednesday). Overall, expectations are for few major changes in the U.S. and world supply/demand outlooks. One might reasonably ask why USDA would make significant revisions to the U.S. 2013/14 or 2014/15 supply/demand balances ahead of 30 June's quarterly stocks and final planted acreage numbers for 2014/15. The quarterly stocks numbers provide a check on estimated U.S. 2013/14 supply/demand balance...