Republicans have begun trying to damage Hillary Clinton’s political image ahead of her expected 2016 White House bid.The GOP calculates that it needs to make an early start in ramping up public scrutiny of Clinton — and that it will be too late if it waits much longer. The party assumes Clinton will announce a presidential campaign in early 2015 but sees that preparations are well underway and fears that the media have already begun to rally to the Democratic banner. Its efforts are intended to make sure Clinton does not have the same big head start in 2016 that...