Alon Bernstein, The Associated Press KIBBUTZ HAZOREA, Israel (AP) - Just before Nazi Germany invaded Hungary in March 1944, Jewish youth leaders in the eastern European country jumped into action: They formed an underground network that in the coming months would save tens of thousands of fellow Jews from the gas chambers. This chapter of the Holocaust heroism is scarcely remembered in Israel. Nor is it part of the official curriculum in schools. But the few remaining members of Hungary's Jewish underground want their story told. Dismayed at the prospect of being forgotten, they are determined to keep memories of...