BRUSSELS — The European Commission has set in motion the process to provisionally implement the EU’s trade deal with the South American countries of Mercosur, likely from the start of May. The College of Commissioners this week “agreed on the necessary procedural steps enabling the Commission to complete the remaining legal and procedural formalities,” Deputy Chief Spokesperson Olof Gill said.  The EU executive will now prepare and send a note verbale to Paraguay, the legal guardian of the