TEHRAN (FNA) - Former US envoy to the UN John Bolton said Washington has suffered a humiliating defeat in its drive against Iran's nuclear activities. In a Friday interview with BBC Persian, Bolton said Washington's efforts to curb Tehran's nuclear achievements have come to naught as Tehran has successfully managed to defend its national interests. In my view, we lost the fight. Tehran has emerged the ultimate winner in maintaining its nuclear program, he added. Bolton claimed that if Washington had settled on a military option against Iran's nuclear infrastructure beforehand, "the threat of Iranian nuclear weapons would not have...