Iran's nuclear chief Ali Akbar Salehi, left, and other Iranian negotiators talk in private outside the Beau-Rivage hotel, following a meeting between U.S. Secretary of State John Kerry and Iran's Foreign Minister Javad Zarif
Iran's nuclear chief Ali Akbar Salehi, left, and other Iranian negotiators talk in private outside the Beau-Rivage hotel, following a meeting between U.S. Secretary of State John Kerry and Iran's Foreign Minister Javad Zarif BRIAN SNYDER AP
Iran's nuclear chief Ali Akbar Salehi, left, and other Iranian negotiators talk in private outside the Beau-Rivage hotel, following a meeting between U.S. Secretary of State John Kerry and Iran's Foreign Minister Javad Zarif BRIAN SNYDER AP

Official: Iran confronts U.S. at nuke talks over GOP letter

March 16, 2015 11:18 AM