As a nation of immigrants, the United States has long accepted that citizens who identify with an ancestral homeland may hold dual loyalties; yet Americans have at times regarded the persistence of foreign ties with suspicion, seeing them as a sign of potential disloyalty and a threat to national security. Diaspora Lobbies and the US Government brings together a group of distinguished scholars of international politics and international migration to examine this contradiction in the realm of American policy making, ultimately concluding that the relationship between diaspora groups...