(Left) Shane O'Brien from Co Meath, who is facing a deportation order over his attendance at pro-Palestinian protests in Berlin. Photo: Andrés Felipe. (Right) Bert Murray from Sligo attending a protest in support of Palestinians in Berlin. Photograph: Wael Eskandar Israeli-born philosopher Omri Boehm posed a challenging question in a speech to commemorate the liberation of the Buchenwald concentration camp 80 years ago. The question originates with the Jewish-American historian Yosef Chaim Yerushalmi: “What if the opposite of forgetting is not remembering – but justice?” Boehm never got the chance to pose Yerushalmi’s question in Buchenwald, where the Nazis imprisoned...