Written question E-4706/07 by Sepp Kusstatscher (Verts/ALE), Gisela Kallenbach (Verts/ALE), Mikel Irujo Amezaga (Verts/ALE), Joost Lagendijk (Verts/ALE) and Angelika Beer (Verts/ALE) to the Commission. Bulgaria refuses to register Macedonian minority party