Michael M. Topp is an associate professor of history at the University of Texas, El Paso. A specialist in immigrant and working-class history, he is the author of "Those Without a Country: The Political Culture of Italian American Syndicalists," He has written numerous essays on such subjects as the Italian American Left, masculinity and nationalism, immigrant historiography and its relevance to the study of the border, and racial and ethnic identity in the United States. He is currently working on a study of cultural identity and mental illness historically in the United States.