SENIOR IRANIAN SOURCE: U.S. HAS SHOWN FLEXIBILITY IN ONGOING DISCUSSIONS,
INCLUDING OVER LIMITS TO IRAN'S NUCLEAR WORK
SENIOR IRANIAN SOURCE: WASHINGTON HAS SO FAR ONLY AGREED TO UNFREEZE 25% OF
IRAN'S FUNDS ON A PHASED TIMETABLE
SENIOR IRANIAN OFFICIAL: TEHRAN HAS DEMANDED U.S. TO RELEASE ALL FUNDS