Of the family group?    I'm not sure what 11 million you're talking about?    

After reading the article, it seems Mexican immigrants are motived to come here for very different reasons.   I liked the article, it  raised some issues that I know I hadn't thought about.    It's also a good to break stereotypes and have real data on immigrants.  I don't think he's trying to propose any solution, just point out that we don't have a single issue that can be treated with a single solution.    

The study is in the diagnosis stage, a good idea when you accept there is a real problem.