Signs of SurvivalBy: Renee Hartman, Joshua M. Greene Meet Renee and Herta, two sisters who faced the unimaginable together. This is their true story. RENEE: I was ten years old then, and my sister was eight. The responsibility was on me to warn everyone when the soldiers were coming because my sister and both my parents were deaf. I was my family's ears. As Jews living in 1940s Czechoslovakia, Renee, Herta and their parents were in immediate danger when the Holocaust