Secretary of Iran’s Supreme National Security Council, Saeed Jalili listens to a question during his news conference after the high-level talks between world powers and Iranian officials in Almaty, Kazakhstan, Saturday, April 6, 2013. Iran and six world powers failed to reach agreement Saturday on a common approach to reducing fears that Tehran might misuse its nuclear technology to make weapons, with the EU’s foreign policy chief declaring that the to sides ‘’remain far apart on substance.’’