David SpenerDavid Spener is Associate Professor in the Department of Sociology and Anthropology at Trinity University. He is the editor of Adult Biliteracy and coeditor of The U.S.-Mexico Border: Transcending Divisions, Contesting Identities and Free Trade and Uneven Development: The North American Apparel Industry after NAFTA. Visit his Web site at http: //www.trinity.edu/clandestinecrossings. Read More Read Less