The rule of law as one of the core constitutional values of the EU legal order – The rule of law in the case law of the Court of Justice of the European Union – Jurisdiction of the Court on the basis of a combined reading of Articles 2 and 19 TEU – Protecting the rule of law in the Common Foreign and Security Policy – Protecting the rule of law in the member states in order to safeguard the structure and functioning of the EU legal order – Limits to the scope of application of EU law