One of the letters World War II heroine and poet Hannah Szenes sent her close friend Miriam Pergament in 1943 opens with these words: “Hello to you Miriam. I see that I am waiting in vain for the visit you promised, and no letter arrives from you either. More’s the pity. After all, then, at our brief meeting, we could barely talk about anything. It is so fun to talk a lot. There are times when I want so...