On Start the Week Anne McElvoy talks to Linda Colley about the history of the United Kingdom - what has brought it together, and what is driving it apart. David Pilling offers a contrasting island story, with his study of modern Japan. Europe is watching with interest the coming Scottish Independence Referendum, and the correspondent David Charter, looks at what 2014 holds for Britain's relationship with the EU. Maria Delgado explores how far culture, especially theatre, has shaped, and been shaped by, identity politics.Producer: Katy Hickman.