Long before the onslaught of Hurricane Katrina or the chaos of evacuation, New Orleans' social infrastructure was failing. As New Orleans begins to rebuild, can the city avoid the mistakes of the past, instead creating more effective social support for low-income and minority residents? Innovation and experience from other U.S. cities offer promising strategies for reducing the risks of poverty and opening up opportunities for economic security and success. This essay is from an Urban Institute collection that addresses employment, affordable housing, public schools, young children's needs, health care, arts and culture, and vulnerable populations.