CNN’s Fareed Zakaria discusses the collapse of past nuclear deterrence initiatives and the danger in a new three-sided nuclear arms race. 0:00 The world enters an uncertain phase as nuclear proliferation ramps up 1:58 Russia and China overhaul their respective nuclear weapons programs 5:10 40 countries have the skill to develop nuclear weapons 6:30 GPS panel discussion on nuclear talks between the US and Iran Watch more CNN here: cnn.it/4kh5RPe #FareedZakaria #Trump #News