Separating historical fact from fantasy, an acclaimed historian retells the story of Kishinev, a riot that transformed the course of twentieth-century Jewish history. So shattering were the aftereffects of Kishinev, the rampage that broke out in late-Tsarist Russia in April 1903, that one historian remarked that it was "nothing less than a prototype for the Holocaust itself." In three days of violence, 49 Jews were killed and 600 raped or wounded,...