18. September 2017
José Luis Martí argues in Verfassungsblog that the Catalan secession referendum is illegitimate because it violates the Spanish constitution and is supported by only a minority of the Catalan electorate.
I would argue that the reactions of the Spanish government are making that referendum legitimate. It would have been the duty of the Spanish parliament and government to amend the constitution to allow for Catalan self-determination, a cardinal principle presupposed by all international law.