There is no Serb ethnic cleansing in Catalonia, no British Empire slaughtering the natives in Tarragona, no slavery problem in the Ebro Delta, as in the Antebellum South prior to the American Civil War, and no new collapse of the Soviet Union. There is no great injustice or human suffering that might justify support for the Catalan independence movement outside of the law.

The President of the European Parliament, Antonio Tajani, said that the European position was that the law and constitution of member states' must be respected. The President of the European Commission, Jean-Claude J...