"E.U. Enlargement Commissioner Olli Rehn Monday stressed the need for Croatia and Slovenia to settle this week their border dispute which is hampering Croatia s bid for E.U. membership. 'It is really the moment of truth now and we should all try to settle this before the European council' summit meeting Thursday Rehn said as he entered E.U. foreign ministers talks in Luxembourg. The foreign ministers were to hold talks with their Croatian and Slovenian counterparts on the sidelines of the talks. 'I certainly hope that we could complete and conclude the process ' said Rehn."