What are the differences between the High Representative of the Union for foreign affairs and security policy and the former would-be minister of foreign affaires of the EU as envisaged by the Constitutional Treaty? Thank you
This is she. EEAS was also created in the general sense from TEU, with more detail in the TFEU. Changed reporting in the EU as a VP. Seems to be an increasingly strong role, though EEAS (which reports to the HC/VP still struggles. HC/VP used to have offices with the EEAS, but Juncker moved the office (and the person) to Berlaymont. If you need citations....
The EU doesn't have a foreign minister as such as it is a union in the making. The EU may one day become a union that may have a foreign mister or any such office. Not at the time being but getting there,
Most news items refer to Mogherini as "foreign affairs chief." It is a fine point not to call her a foreign minister, but she does visit heads of state, work on security and foreign affairs and head up the EU's new diplomatic corps, EEAS. The EEAS has many diplomats seconded to them and a few that will be more permanent (but my memory may be failing me here). They are providing EU representation in more countries than most EU member states can afford and sharing the information. Here are a few things you might read
Michael H. Smith, The EU as a diplomatic Actor in the Post-Lisbon Era: Robust or Rootless? Pp 11-30, p 21. In Joachim A Koops and Gjovalin Macaj, eds., The European Union s a Diplomatic Actor. Palgrave-Macmillan, 2015
Leendert Erkelens and Steven Blockmans, 2012. Setting Up the European External Action Service: An Act of Institutional Balance, European Constitutional Law Review, 8: 246-279
Luis N. Gonzalez Alonso (ed.) Between autonomy and cooperation: shaping the institutional profile of the European External Action Service. CLEER Working Papers 2014/6
Frederica Bicchi, The European External Action Service: A pivotal Actor in EU Foreign Policy Communications? The Hague Journal of Diplomacy 7 (2012) 81-94
[1] Hans Merket, “The EU, Human Security and the Insulation of the CFSP: Comparing Recent Policy and Judicial Tendencies, in Aaron Matta and Tamara Takacs, eds., Human Security as a tool for comprehensive approach for human rights and security linkages in EU foreign policy. CLEER Working Papers 2014/5