Canadians received a shock to the system the first week of November 2016, when a spate of news items revealed how police and spy agencies flout the law and moral conventions to spy on citizens and journalists, in some cases dating back for many years. The biggest blow to Canada’s often rosy image came on Nov. 3, when a federal court ruling revealed that the Canadian Security Intelligence Service — the CSIS — has been operating a secret metadata collection program since 2006, and retained citizens’ identifying information illegally. The question on every Canadian’s mind now is — how, in our...