Hong-Kong, 12/12/2005 (Agence Europe) - On the eve of the official opening of the 6th WTO Conference which from 13 to 18 December will bring together the trade ministers of 149 countries (soon to be 150 with the accession this week of Tonga), the chief negotiators from the main trading powers have set the tone on Monday for the difficult week to come. At separate press conferences, the Europeans, Americans and Brazilians have effectively stuck to their guns on the subject of the agricultural...