Brussels, 11/05/2007 (Agence Europe) - The presidents of the three European institutions - Angela Merkel (Council), José Manuel Barroso (Commission) and Hans-Gert Pöttering (EP) - as well as the two next European Council presidents (José Socrates of Portugal and Janez Jansa of Slovenia) will be meeting in Sintra (Portugal) this weekend (12/13 May) for an informal meeting on the future of Europe. Discussion will be on the future treaty, climate change, energy, etc. (see EUROPE 9413, 9414...