The Renewable Fuels Association (RFA) recently argued (see WPI 23 August) that one reason it would be a bad idea to waive the Renewable Fuel Standard (RFS) this year is because a waived RFS would provide a disincentive for farmers to plant corn.To take a line from the ethanol crowd, however, "don't blame the RFS, blame the drought." Indeed, with or without the RFS, farmers are looking to cut back on corn and the reason is the drought. Corn-on-corn acres are the toughest to maintain yields on during adverse conditions, and we've seen adverse conditions now for two or three years in several areas of the country. Thus, several farmers do not want to grow corn again next year. Indeed, at the Farm Progress Show in Iowa, Farm Futures magazine r...