General Comments Markets came back from the long weekend in a slightly better mood following Friday's sharply lower trade with a holiday-shortened thin trading session. There really wasn't much different in terms of news today.  U.S. crop weather is basically still not much of an issue. The western half of the country looks to have above-normal temperatures while the eastern half will be below normal. Rainfall looks to be normal-to-below normal.  The eastern Corn Belt needs some heat. The trade is expecting to see slight improvement in today's weekly crop ratings.USDA did announce several export sales this morning. China bought another 840,000 MT of soft red winter wheat and 120,000 MT of soybeans.  Mexico bought 120...