S enior Israeli officials are acknowledging that some enriched uranium may have survived the powerful U.S. strikes on Iran's key nuclear sites last month.

The Israeli assessment also holds that Iran's stockpiles were spread across Isfahan, Fordo, and Natanz, and had not been moved.

In the wake of its brief but bruising war with Israel, Iran is walking the calculated, fine line of escalating nuclear ambiguity to deter future attacks while keeping one hand extended for diplomacy.