Latest / Christiane Amanpour Presents: The Ex Files
Is the world a step closer to a nuclear confrontation?
Putin says Russia has just successfully tested a new type of nuclear-powered weapon. China has doubled the size of its nuclear arsenal in the last five years - and shows no signs of slowing down. Meanwhile, Trump is promising to restart US nuclear weapons tests. After a week of sabre-rattling from world leaders, Christiane and Jamie discuss whether we're entering a new Cold War, and analyse how seriously the West should take the nuclear threat posed by Russia and China.
Christiane also explains how the world has gone backwards on nuclear disarmament since her trip to North Korea in 2008 -…
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