CNN New Day March 16, 2015 12:00:00
Morning resuming talks and refusing to apologize to iran's leaders for the controversial letter. >> the white house definitely trying to keep congress out of that process, all the author of that letter doubles down. nic robertson is tracking developments for us live from london. >> zarif has gone into these talks with secretary kerry saying there's a lot of technical issues to address here. secretary kerry haz framed it differently. he has said this is more about -- there were a few technical issue toss cross, but really this is a came and time for political judgments. two weeks now to the dea...