Introduction: New Neighbours, New Challenges : Recognising Diversity -- Old Allies in a New World : The Relationship between Emigres and the German Political Establishment -- Support or Suppress? : Croatian Nationalists and the West German Security Services -- "Subversive" Immigrants and Social Democrats : Shared Memories of a "Romantic" Past -- A Battle on Many Fronts : Greek Immigrants and Political Violence -- Both Losers and Winners? : The Iranian Community and the Student Movement -- Conclusion: Nation and Fragmentation : Managing Diversity.