At 87, Professor Christian Tomuschat, a German jurist, remains sharp. He was born in what is now the northern Polish city of Szczecin. Prior to 1945, it was the German city of Stettin. "My grandmother and my aunt, they perished when the Soviet invasion went into Germany. They both perished under dreadful circumstances," he told RTÉ News. Though a witness to the destruction of World War II, Prof Tomuschat, a former UN rapporteur with a long career in human rights, is critical of Polish demands for Germany to pay €1.3 trillion in reparations for damage inflicted by Nazi Germany during...