SHABUNDA, Congo -- Nsimenya Kinyama carried her 3-day-old baby outside bundled in rags and gingerly placed his tiny, jaundiced body in a rusty blue crib. As the first healing rays of the morning sun reached him, he fussed and wriggled and stretched his arms up. Kinyama, 36, stared at her new son with a flat, empty look in her eyes. She was wondering if this child, like the six who had come before him, would die. It is a common prayer in Shabunda, a former trading center in eastern Congo that was ravaged by war, then left poor and isolated...