The issue of child witches" is soaring in Nigeria and other parts of the world, Foxcroft said.The states of Akwa Ibom and Cross River have about 15,000 children branded as witches, and most of them end up abandoned and abused on the streets, he said....Foxcroft, whose documentary, Saving Africa's Witch Children, was broadcast last year, spoke to a U.N. panel on the issue in April....The role o