“I am also happy that the suspected shooter is dead.” With those 10 words, in response to Friday’s apparent assassination attempt on Donald Trump in Pennsylvania, federal Conservative Leader Pierre Poilievre sent Canada’s propriety police into one of its trademarked tizzies. “Leaders don’t celebrate death,” Harden said of Poilievre’s remark. “We work for community safety.” An “insane thing to say,” was left-wing commentator David Moscrop’s reaction. Former Alberta MLA Thomas Lukazkuk called it “irrational” — “revenge over due process.” “While others appeal for calm, Poilievre rejoices in retribution,” Globe and Mail columnist Andrew Coyne observed on X. [Poilievre] says things...