Dennis Gilbert is a professor of Sociology at Hamilton College His primary research interests are Latin American and American class system. Gilbert is the author of The American Class Structure in an Age of Growing Inequality (Sage, 2008), Mexico's Middle Class in the Neoliberal Era (University of Arizona Press, 2007), Sandinistas: the Party and the Revolution (Blackwell, 1988), and La OligarquÃa Peruana: Historia de Tres familias (Horizonte, 1982). In 1990, he was research director to the successful congressional campaign of Bernard Sanders (Independent-VT) and later served as legislative assistant in Representative Sanders' congressional office. At Hamilton, Gilbert teaches a course on public opinion polling. In collaboration with the polling firm Zogby International, Gilbert and his students have conducted a series of widely reported national surveys, most examining the views of high school students, on such topics as gun control, gay rights, abortion, Muslims in America and patriotism.