Brussels, 06/06/2002 (Agence Europe) - Clarification and simplification are required. This is the basic message of the European Convention's Praesidium in its document on security and home affairs, prepared for this Thursday's debate (see pages 4 and 5). The "challenges" for the Praesidium are coherently sharing power between the EU and Member States; providing the EU with effective legal instruments; stepping up political and judicial control; dealing with the huge complexity of the system;...