Crossing over

"The U.S.-Mexican border is one of the most permeable boundaries in the world. Even as the United States deploys billions of dollars and a vast arsenal to "hold the line," the border is breached daily by Mexicans in search of work. Yet the migrant gambit is perilous. Thousands die crossing the border, and those who reach "the other side" are branded illegals, undocumented and unprotected.". "In Crossing Over, the Ruben Martinez puts a human face on the phenomenon, following the exodus of the Chavez clan, an extended Mexican family with the grim distinction of having lost three sons in a…