White and Hispanic turnout fell from 2004 to 2012, according to a new study by the Center for Immigration Studies based on newly-released U.S. Census data. Had turnout equaled what it was in 2004, 4.7 million more whites would have voted in 2012, of which 4.2 million were not college graduates, according to the study. Obama received five million more votes than Romney. “As Republicans think about how they can expand their voter base, the new data suggest that one of their biggest problems in the last presidential election was that so many less-educated whites sat home,” said Steven Camarota,...