Peter Kivisto, PhD (New School for Social Research), is the Richard Swanson Professor of Social Thought and chair of sociology at Augustana College. Among his recent books are "Citizenship: Discourse, Theory, and Transnational Prospects "(2007, with Thomas Faist), "Intersecting Inequalities "(2007, with Elizabeth Hartung), "Incorporating Diversity: Rethinking Assimilation in a Multicultural Age "(2005), "Key Ideas in Sociology "(2nd ed., 2004), "Multiculturalism in a Global Society "(2002), and "Social Theory: Roots and Branches "(2nd ed., 2002). His primary scholarly and teaching interests re...