More than a decade ago, the Emmy-nominated documentary "Poor Kids" explored poverty in the United States as it’s rarely seen: through the eyes of children. FRONTLINE's season premiere, "Born Poor," tells the stories of the same children, now grown, chronicling their lives from childhood to the present day. FRONTLINE | PBS follows Kaylie, Johnny and Brittany across three chapters of their lives as they grow from kids to teenagers to adults, trying to pursue their dreams while dealing with an econ