National Governments will guard their prerogatives jealously and major ones will ignore the "President" if it is in their perceived interests to do so. I see the potential for a lot of confusion between the respective roles of the three "Presidents" and the High Commissioner for foreign affairs. It doesn't really answer the Kissinger question - who do I ring if I want to talk to Europe... "It's a mystery to me - the game commences, For the usual fee - plus expenses, Confidential information - it's in my diary..."