Conventional thinking maintains that people can belong to only one society and can be loyal to only one nation-state. In a world with rising rates of trans-national migration, however, the possibility of participation, belonging, and loyalty to more than one state is ever more evident. This has led to a rethinking of the notion of nation-based citizenship and increased tolerance toward holding citizenship in more than one country. In practice, over half of the worlds nation-states currently recognize some form of dual citizenship or dual nationality. This book focuses on clarifying and...