Anti-Semitism may seem to be a static, unchanging phenomenon but in fact the obsessive hatred of Jews has a history that goes back millennia and continues to evolve.Developments since World War II and the Holocaust have been especially fast-paced and portentous. Here are four of the most significant shifts: From right to left: For centuries, anti-Semitism was the hallmark of the right and merely episodic on the left. To take the ultimate examples of these trends, Stalin's Judeophobia was peripheral to his monstrous project, but Hitler's was central to his. Even a decade ago, this pattern still basically held true....