A hot, dusty Rio Grande Valley day gives way to twilight as people sit in their yards, shaded by wilted mesquite trees. Smoke from outdoor grills hangs in the air, children choose sides for street games and laughing toddlers dance under the spray of a garden hose. A couple of young women retrieve the day's wash from a makeshift clothesline while several elderly men sit on plastic lawn chairs, bend over their guitars and fill the... More >>>