Greenville, Illinois — It's prime harvest season in southern Illinois, but for soybean farmers like Scott Gaffner, what's usually a time of reward has turned into worry. "The great majority of [soybeans] coming from this area would be going to China," Gaffner said, but "not this year." China is the largest consumer of soybeans. The country purchased $12.6 billion worth of soybeans from the U.S. in 2014, compared to $2.45 billion bought by the European Union, federal data from the Department of