Ethnicities: Children of Immigrants in America - Paperbackby Rubn G. Rumbaut (Editor), Alejandro Portes (Editor) The new immigration to the United States is unprecedented in its diversity of color, class, and cultural origins. Over the past few decades, the racial and ethnic composition and stratification of the American population as well as the social meanings of race, ethnicity, and American identity have fundamentally changed. Ethnicities, a companion volume to Rub? n G. Rumbaut's and Alejandro Portes's