Last week, "an unelected group of people" over at the Environmental Protection Agency revised our national energy policy, approving a new gasoline blend with up to 15% ethanol, known as E15, which may be available in pumps this summer. Currently, most gasoline sold in the U.S. is E10, containing a maximum of 10% ethanol. To review the backstory: the last time ethanol was in the news, it seems like its opponents, who come from both the environmental left and free-market right, had won a significant victory. Last summer, "a strong majority of a democratically elected Congress," to use Obama's words...