General Comments Commodity markets, including grain and soy markets, found plenty to worry about today. First, Chinese Premier Wen Jiabao told the People's Congress that the Chinese government was lowering its goal for annual GDP growth from 8.0 percent to 7.5 percent. It has been eight years since Chinese economic growth was that low. He also acknowledged that the slow growth of developed country economies was constricting Chinese exports and that China would encourage growth of domestic consumption to make up for it.Markets quickly concluded that the lower GDP goal would mean less Chinese demand for raw materials and therefore was bearish for the wide range of commodities for which China was a major importer. As an aside, we can certai...