At age five, Judy Temes was living with her parents and brother in a small town near Hungary's southern border. Unlike most, the family had comforts: a roomy apartment, a television, even a vacation home. What more could anyone want? But for her father, a doctor and a survivor of the Holocaust, living among the people who stood by as his family was taken to their deaths in cattle cars had become untenable. On a summer night in 1969, the family packed...