President Trump chalked up his announcement on boosting ethanol for farmers in Iowa to his record of "promises made, promises kept," while speaking in Iowa Tuesday night. "I made that promise to you during the campaign," Trump said. "I made that promise to you during the primaries. Promises made, promises kept." "We're going with E15 year-round," Trump said early in his speech, admitting that the full announcement would come later in his remarks. The plan would relax Environmental Protection Agency rules that restrict the sale of 15-percent ethanol fuel blends to eight months of the year. The EPA waiver for...