Whenever there is talk about immigration and immigration reform, there's usually an understanding that there are two classes of immigrants: Low skilled workers - who might work in the service or agricultural industries, and highly skilled tech workers, many of whom end up at places like Google, Apple and other Silicon Valley institutions.

But many of those immigrants aren't sticking around for very long. Instead, they're taking their skills and going home to places like India, China and Brazil. From the California Report, Aarti Shahani has more.