Church & state: A marriage on the rocks?

Whilst the Church of England has never quite attracted the ire from secularists afforded to seemingly more dogmatic religions like Catholicism or fundamentalist Islam, many continue to question the role of a state church in 21st century society. For many, the idea that the church exists for the whole nation rather than just a community of believers is an important source of national rather than simply religious cohesion. Is there any more to this argument than a plea for the continuation of special privileges? This intriguing debate was filmed at the Battle of Ideas.