The Russian leadership has called on Israel and Iran to exercise restraint following Tehran’s unprecedented attack on the country, as Israel weighs a possible response. The Secretary of the Russian Security Council, Nikolai Patrushev, emphasized in talks with the head of the Israeli National Security Council, Zachi Ha-Negbi, “the need for restraint on all sides of the conflict in the Middle East in order to prevent its escalation,” Russian state agencies reported. Patrushev said Russia believed that “differences of opinion should be settled exclusively by political and diplomatic means.” Kreml…