“…With the Pupino judgement, the Court of Justice has built a bridge, extending First Pillar principles to the Third Pillar. 73 lt is still, however, to be determined in detail (perhaps during discussions in workshops) whether and if so how this setting of EC law can be transferred to Justice and Horne Affairs and its cooperation in various areas of law enforcement. The problems are apparent in all forms of cooperation, most clearly in connection with the European Arrest Warrant (EAW) and its abolition of dual criminality-and when it eventually comes to the approximation of laws.…”