Book excerpt: Bilingualism in the world is the norm, rather than the exception. Unlike in other countries where bilingualism often survives over numerous generations, in the United States, it generally takes two or three generations for a minority language to be lost. In a country where the very definition of ""American"" embodies the intersection of different languages, cultures, and ethnicities, the assimilation process into American culture often takes place at the expense of minority languages and cultur ...