washington part u.s. state department brief video secret u.s.-iran nuclear talk deliberately delete request unknown official post online archive department say wednesday excise portion dec. 2013 brief include question whether early spokeswoman department mislead reporters whether unite state hold secret direct nuclear talk iran state department initially say believe glitch cause gap wednesday say internal inquiry find deliberate omission however say rule break none exist govern integrity brief transcript video rule put place inquiry carry department office legal adviser request state department spokesman john kirby also assistant secretary department bureau public affairs learn specific request make excise portion brief know make request edit video make kirby tell reporters daily brief video editor receive request telephone remember anything caller pass request someone else public affairs bureau kirby add speak condition anonymity u.s. state department official say editor discuss request supervisor conclude come level credibility authority high enough act request kirby say video replace time ago full version archive defense department say transcript brief always available online modify archive state department brief video deliberately cut