EU's newer members challenge certainties of older Europe [audio 30min]

BBC News special correspondent Allan Little looks at how the European Union was created, from the devastation of World War Two to its current incarnation as a new kind of superpower. Focusing on key moments along the journey, he analyses Britain's contradictory relationship with 'Europe'. In Programme 4, "Ever Larger Union", Little talks to the man responsible for starting Spain's accession progress just days after General Franco's death in 1975. Today's Europe is made up of 25 rather than six members, with at least three potential new members banging loudly at the door. How are the founder countries dealing with the enlargement of their once very exclusive club?