Brussels, 26/04/2005 (Agence Europe) - The Polish Prime Minister Marek Belka, the Luxembourg minister for the interior and land management Jean-Marie Halsdorf and the Commissioner in charge of Regional Policy, Danuta Hübner, will be taking part in the European Summit of Regions and Cities, to be held in Wroclaw, Poland, on 19 and 20 May by the Committee of the Regions (CoR). The President of the European Parliament, Josep Borrell, and the President of the European Convention, Valéry...