Canada’s beleaguered economy has become beset with strikes called by unions demanding double-digit wage hikes in an era of constrained budgets and slim profit margins. The latest one, by Canada Post, is already inflicting great damage and threatens to drag on, perhaps right up to Christmas. Yet recent legislation passed by the Liberal government (pushed by the NDP) has made it more likely that major strikes will occur, and even more difficult for employers to try to continue functioning. Th...