Iran dismisses execution sentence on US-Iranian national TEHRAN (Reuters) - Iran's supreme court on Monday dismissed an execution sentence passed by a revolutionary court against an Iranian-American national accused of spying for the CIA in January, the semi-official Fars news agency reported. "The supreme court nullified the execution sentence against Amir Mirza Hekmati and sent it to an affiliate court," said judiciary spokesman Gholamhossein Mohseni-Ejei. Reporting By Mitra Amiri