Division of Iraq into ethnic regions looks more likely than ever before . Iraq experts say cycle of violence is hardening sectarian divide -- wrecking chance of negotiated separation . Sunni areas in west would not be economically viable unless they received oil revenues from other regions . Comment:
Division of Iraq into ethnic regions looks more likely than ever before . Iraq experts say cycle of violence is hardening sectarian divide -- wrecking chance of negotiated separation . Sunni areas in west would not be economically viable unless they received oil revenues from other regions . Independent Sunni region , free from discrimination by majority Shia government , might escape extremist rule .