The percentage of blacks, Hispanics and American Indians living in low-income homes is about twice that of whites and Asians. This raises unpleasant cultural questions that must be addressed. But that’s not the whole story. Despite the imbalance, white children are still the largest group of low-income children. Furthermore, the British may have created a road map for us that dramatically reduces child poverty while not relying solely on handouts. A report released this month by Jane Waldfogel of Columbia University and the London School of Economics paints a fascinating portrait of how smart policies and targeted investments in that country have produced stellar results.