Saturdays and Sundays bring families to the steel beams of fence, dividing Ambos Nogales, a Spanish term to describe the community of Nogales north and south of the border. Families and...

Wind whips through the dry grass at the base of the U.S.-Mexico border fence where Tim Foley stands smoking a cigarette and surveying vast wilderness of the Altar Valley. Here, just west of the Sasabe...