Brussels, 27/06/2001 (Agence Europe) - Substantial progress has been achieved on Wednesday in the accession negotiations with the candidate countries from the former "Helsinki group" (Slovakia, Romania, Lithuania, Latvia, Bulgaria and Malta) during a special session (not initially foreseen) of the negotiations called by the Swedish Presidency. Thus, all the chapters have been opened with Slovakia, Latvia and Lithuania, and some of the more difficult dossiers have been closed (such as the...