They've escaped the dreaded "flip-flopper" label, but both Hillary Clinton and Barack Obama have changed positions on various issues in the course of their campaigns. Appearing absolutely consistent is especially hard for senators, reports the Washington Post, because they have thousands of votes to explain, and many are the products of strategy and compromise.
Clinton attacked Obama recently for changing his mind on negotiating with Cuba, and Obama struck back by pointing out Clinton's back-and-forth on immigration. A psychology professor shrugs off the controversy, saying, "In everyday life, we say things to make ourselves look better, get people to like us, get a job. It's the same with politicians."