LIBERIA: VERY RICH, OR VERY POOR

MONROVIA—It is after 8 o’clock in the evening on the Barnersville estate, a low-income housing project on the outskirts of the capital of Liberia. The entire area is dark. A few candles illuminate small shops along the road. A path leads to Kollie Yard, a cluster of faded whitewashed houses surrounding a sand pit. The…