Brussels, 21/02/2013 (Agence Europe) - Ukraine will have to make significant progress before May 2013 for the association agreement to be signed at the summit in Vilnius at the end of November 2013, because of internal EU procedures, a European diplomatic source said on 21 February. “Time is short. We will have to able to record substantial progress to be able to continue our internal procedure”, the source said, underlining the three main points highlighted by the EU in its conclusions...