Between universal service and what it costs. The European Commission's reticence to finalise its proposal on a new phase of liberalisation of postal services proves in itself that Europe does not yet have a well-defined doctrine for "general interest services". And this is understandable, as there is perhaps no field where the positions and traditions of Member States are further apart and where, at the same time, the impact on the life of citizens is more direct and immediate. One just has...