JERUSALEM - Israel voiced concern on Monday at the prospect of its  closest ally, Washington, cooperating with its what it considers its  deadliest foe, Iran, to stave off a sectarian break-up of Iraq.
 Strategic Affairs Minister Yuval Steinitz told Reuters, the United  States and other major powers have pledged that any such cooperation  would not set back their drive to curb Tehran's nuclear program.
 
 The Obama administration said on Sunday it was considering talks with  Iran about the Iraqi crisis. Iranian officials have voiced openness to  working with the Americans in helping Baghdad repel a Sunni Muslim  insurgency.