Open this photo in gallery: The train tracks full of wooden plates with prays and wishes are pictured by the former Auschwitz Birkenau Concentration Camp during 35th March of the Living on April 18, in Oswiecim, Poland.Omar Marques/Getty Images Something terrible happened in Poland last week, and it involved a Canadian. University of Ottawa professor Jan Grabowski was just starting his talk at the German Historical Institute in Warsaw when a far-right member of Parliament rushed the stage, attacked the sound system, and smashed Prof. Grabowski’s microphone to prevent him from speaking. The title of Prof. Grabowski’s lecture was “The...