Immigrants and the American City

American immigrants are often considered symbols of hope and promise. Presidential candidates point to their immigrant roots, Ellis Island is celebrated as a national monument, and the melting pot remains a popular, if somewhat tarnished, American analogy. At the same time, images of impoverished Mexicans swarming across the Mexican-American border and boatloads of desperate Haitian and Cuban refugees depict America as a nation under siege. While governments and business interests generally welc