Indians' Tribal Courts Prepare to Take Over Child Custody Cases
Article on impact of Indian Child Welfare Act, which will let tribal cts decide child custody cases; Amer Acad of Child Psychiatry repts that, proportionately, 20 times as many Indian children as non-Indians are placed away from families, whose only failing in many cases is poverty; Amer Indian Affairs Assn survey found that at any given time 25% to 35% of Indian children are in foster care, adoptive homes or insts (M)