Iran will **t accept \"nuclear apartheid\" but is willing to offer more transparency over its atomic activities, President Hassan Rouhani said Sunday ahead of new talks with world powers. Iran and the P5+1 group of nations will start hammering out a draft accord Tuesday aimed at ending a decade-long standoff over suspicions that the Islamic republic is concealing military objectives. Our nuclear tech**logy is **t up for negotiation,\" Rouhani, referring to the West, said in remarks broadcast on state television. \"Iran will **t retreat one step in the field of nuclear tech**logy... we will **t accept nuclear apartheid,\" he said.