U.S. corn continues to be priced above the market and even now appears to be oversupplied. Domestic surplus corn stocks are 46 percent above what would be considered a tight situation. Yet, from a historical standpoint, U.S. surplus corn stocks are 55 percent below their 1987 peak. Instead, what has happened is that China has quadrupled its surplus corn stocks in under a decade. Beijing says it is working down the surpluses but at the same time claims that its real numbers are a state secret. U.S. trade negotiators have counseled China against the folly of oversupply but have saved their direct demands for other topics. Word is that Beijing is backing away from the full 10 percent ethanol blending requirement that would have better ratione...