For decades, Mexican men have been recruited as temporary laborers in the U.S., working in fields, factories and in the service industry. That migration has left the young women they leave behind in a state of uncertainty. Lilia Soto of the University of Wyoming joins us to talk about these often forgotten people, who she writes about in “Girlhood in the Borderlands: Mexican Teens Caught in the Crossroads of Migration” (NYU Press).