Iranian Supreme Leader Ali Khamenei said after Hamas leader Ismail Haniyeh was assassinated in Tehran on Wednesday that it is Iran's duty to "take revenge" for the attack. "The criminal and terrorist Zionist regime martyred our dear guest in our home and made us sad, but it also prepared a harsh punishment for itself," Khamenei said on his website. "Martyr Haniyeh was willing to sacrifice his honorable life in this dignified battle for many years," he added. "He was prepared for martyrdom and...