Tehran, June 17 (IANS) US Secretary of State John Kerry has ack**wledged for the first time that a final nuclear deal would **t require Iran to detail its past activities in order to lift sanctions on the country. "We're **t fixated on Iran specifically accounting for what they did at one point in time or a**ther," he said by video from Boston where he was recuperating from a broken leg, Press TV reported. "We k**w what they did," Kerry added.