In British legend, mysterious lights said to lead travelers from well-trodden paths into treacherous marshes are called the "Will o' the Wisp." The title also describes malevolent spirits who lure their prey into disaster with false promises. They erect symbolic lighthouses which instead of guiding vessels to safety, lead the unwary into destruction on the rocks and shoals. In his book "The End of Time," David Horowitz writes, "The desire for more than is possible is the cause of greater human misery than any other," which is another way of warning of the dangers of pursuing the political incarnation of...