When Pope John Paul II visited the Yad Vashem Holocaust memorial and museum in 2000 he met with a group of Holocaust survivors, among them Edith Zierer of Haifa. “He who saves the life of even one Jew is likened to one who has saved an entire world,” she told him in Polish. “He put his hand on my shoulder and I was so moved. I had closed a circle,” she told the daily newspaper...