OSWIECIM, Poland — Auschwitz-Birkenau survivors and other mourners commemorated the 78th anniversary Friday of the Nazi German death camp’s liberation, some expressing horror that war has again shattered peace in Europe and the lesson of Never Again is being forgotten. The former concentration and extermination camp is located in the town of O?wi?cim in southern Poland, which was under the occupation of German forces during World War II and became a place of systematic murder of Jews, Poles, Soviet prisoners of war, Roma and others targeted for elimination by Adolf Hitler and his henchmen. In all, some 1.1 million people...