Time Magazine: Iowa is the ethanol capital of the nation, and President-elect Barack Obama has been a reliable supporter of biofuels, so it’s no surprise that former Iowa governor Tom Vilsack, his choice for Agriculture Secretary, has been an even more reliable supporter of biofuels, even chairing a national coalition on ethanol (ethyl alcohol, a fuel distilled from plant matter). “As governor of one of our most abundant farm states, he led with vision,” Obama said of Vilsack on Wednesday, “fostering an …