NEW : Clinton says `` it 's Iran and others who are threatening to develop missile technology '' that they can deliver nuclear weapons. " Missile defense topped the agenda at a meeting of the NATO-Russia council . NATO ministers also discussed Afghanistan and plans to gradually transfer security control to Afghan forces before foreign combat troops plan to withdraw by the end of 2014 , as well as tensions with Pakistan over last month 's attack . NATO has asked Russia to participate in the system , but negotiations have been at an impasse .
NEW : Clinton says `` it 's Iran and others who are threatening to develop missile technology '' that they can deliver nuclear weapons. " Missile defense topped the agenda at a meeting of the NATO-Russia council . NATO has asked Russia to participate in the system , but negotiations have been at an impasse .