Perez and Hirschman (2010) note that new immigrants from Asia and Latin America have added a large measure of cultural and phenotypic diversity to the American population in recent decades, just as waves of immigrants from Southern and Eastern Europe did a century ago. Lee and Bean (2004) contend that the boundaries between racial and ethnic groups are becoming blurred by high rates of intermarriage and the growing number of persons with mixed ancestry. Some people see the increased number of immigrants attempting to enter the country from Mexico as a potential problem. Several politicians have identified many of them as criminals and suggest that they should be banned from entering the United
Perez and Hirschman (2010) note that new immigrants from Asia and Latin America have added a large measure of cultural and phenotypic diversity to the American population in recent decades, just as waves of immigrants from Southern and Eastern Europe did a century ago. Lee and Bean (2004) contend that the boundaries between racial and ethnic groups are becoming blurred by high rates of intermarriage and the growing number of persons with mixed ancestry. Some people see the increased number of immigrants attempting to enter the country from Mexico as a potential problem. Several politicians have identified many of them as criminals and suggest that they should be banned from entering the United