Brussels, 02/05/2013 (Agence Europe) - Although the European Single Sky is taking a long time to put into place, the European Commission intends to review the substance of this initiative in a new intermediate package, European Single Sky 2 +, in a few months' time (see EUROPE 10769). This prospect is unpopular with airline transport sector workers, although they were initially in favour of the Single Sky. Air traffic controllers felt so strongly about it that they are organising a rally on...