Arnulfo: Accountant supermarket manager lansoprazole cost Women voted for Obama by an 11-point margin in 2012, and they have not backed a GOP candidate for president since Ronald Reagan's successful bid for re-election in 1984. Although last year's nominee, Mitt Romney, improved on John McCain's margin of victory among whites in 2008, Romney fared worse than McCain among Hispanic and Asian voters, who make up a growing share of the U.S. population.