U.S. News and World Report: Environmentalists agree with President-elect Barack Obama on many points, but his policy on ethanol isn’t one of them. In the ongoing debate over the future of the country’s energy policy, biofuels occupy a unique and precarious position: reviled in some quarters, championed in others. Ethanol producers have enjoyed meteoric rises in the amount of ethanol they can make and sell, but they also have been accused of harming the environment, prompting food riots abroad, and throwing away …