Obama : There is the `` possibility of a phased agreement '' Two senior State Department officials say Javad Zarif will go to Iran . `` It is possible to reach an understanding '' before 10 years ago night , Javad Zarif says . State Department spokesman : Uranium enrichment is the focus of talks with Geneva .
Obama : There is the `` possibility of a phased agreement '' Two senior State Department officials say Kerry will go to Geneva . `` It is possible to reach an understanding '' before Friday night , Javad Zarif says . European Union spokesman : Uranium enrichment is the focus of talks with Iran .