Dual nationality has become one of the most divisive issues linked with the politics of migration in Germany and the US. This volume, the first one in decades to focus on this issue, examines the history, consequences and arguments for and against dual citizenship, and uses dual nationality as the basis of a reflection on important issues closely related to it: social rights, European citizenship and federal citizenship. It pays particular attention to questions such as: What are the major arguments in favor and against dual nationality? Why has dual nationality provoked such contrasting...