When he was talking about the problems with people speaking another language other than English in their own homes all I could think of were all my older relatives that spoke French at home. These people were US citizens, and were born here, they just happened to grow up in French speaking homes since their parents immigrated to Maine from Quebec to work in mills at a time when Maine was highly industrialized and Quebec was poor. My grandfather and his brothers fought in WWII and were proud patriots. Most of these people have passed away now, but they all had French accents (even by the time they hit 80/90 years old). When I was young, my Grandmother had got to the point that she would speak primarily English, even with her siblings and cousins, unless she were talking to someone that wasn't as comfortable with English. She has switched to English at home when my mother was young because she wanted her children to have English as their first language. Sure, lots of first generation Hispanic immigrants are speaking Spanish at home. But, like my family, their children will speak English, and after a couple generations they might not even know Spanish anymore.