The main goal of the Iowa Ag Summit was to pin down GOP presidential candidates on their position regarding renewable fuels and the Renewable Fuel Standards (RFS).The main goal of the Iowa Ag Summit was to pin down GOP presidential candidates on their position regarding renewable fuels and the Renewable Fuel Standards (RFS). The results were:There was more unanimity among the candidates on other issues with all opposed to the labeling of GMOs, the reinstatement of the wind tax credit and normalizing trade with Cuba absent major democratic changes within that country. They also were all critical of the U.S. EPA as well as the administration's environmental agenda. All of these candidates supported presidential Trade Promotion Authority (TPA)...