She has learned to forgive, but she can never forget. And neither can we.Gerty Spies was born in 1897 at Trier into a Jewish family whose ancestors had lived in Germany for centuries. Separated from her family by the Nazis, she was sent to the Czech camp known as Theresienstadt. It was a peculiar place: publicized as a retirement city, a Nazi propaganda showplace where Jews could sit out the war. But it was actually a way station for those destined...