Boston Globe: PRESIDENT OBAMA has said science on his watch will not be “distorted or concealed to serve a political agenda.” But when it comes to the political agenda of agribusiness, his own Cabinet, and his party, are letting science down to prop up corn-based ethanol. Agriculture Secretary Tom Vilsack, formerly the governor of the corn state of Iowa, wants “aggressive action” from the Environmental Protection Agency to increase the amount of ethanol in gasoline – from 10 percent of the blend to …