Expectations of great crop ratings today coupled with few, if any, weather problems continue to pressure corn prices lower. Some analysts are now starting to talk about BIG corn yields and the potential that U.S. corn ending supplies could be much more than the latest USDA number. General Comments Corn was lower overnight, wheat was slightly higher and soybeans traded both sides of unchanged. Volume was light. There just isn't much out there for news, especially bullish. Weather across the U.S. Corn Belt and Northern Plains is mostly favorable. If anything, too much rain is more of a problem today than too little.The market was looking for steady or improving crop condition ratings for corn, soybeans and spring wheat in today's weekly cro...