On Thursday 27 September the leader of the European Parliament's ALDE Group, Guy Verhofstadt, Malta's Prime Minister and leader of its labour party, Joseph Muscat, the former commissioner and former Romanian prime minister, leader of the Together Romania movement, Dacian Ciolos, the former prime minister of Italy, Matteo Renzi, the political leader of Democrats 66 (Netherlands), Alexander Pechtold, and the director general of La République en marche (France), Christophe Castaner, co-signed...