By a more than two to one margin, Americans say that the more they learn about Republican presidential contender Mitt Romney, the more they dislike him, per a new Washington Post / ABC poll: Overall, 55 percent of those who are closely following the campaign say they disapprove of what the GOP candidates have been saying. By better than 2 to 1, Americans say the more they learn about Romney, the less they like him. Even among Republicans, as many offer negative as positive assessments of him on this question. Judgments about former House speaker Newt Gingrich, who denounced Romney...