Certain features condition when most EU law comes into being. EU laws must compete with other laws for authority. They form part of legal regimes which are partial in scope and can cut across national legal regimes. They justify themselves by reference to a vision of political com-munity which values what individuals do together more than simply their living together. These features act as a source of conflict in two ways. They, first, endow EU law with certain qualities which act as a source of stress. These include over-responsibilisation, destabilisation and function-alism. Secondly, the concern to secure authority by legislating better to realise certain shared activ-ities leads to expertise heavily influencing both the content and inci...