परमाणु हथियार को लेकर डोनाल्‍ड ट्रंप का बड़ा बयान, हंगामा

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Donald Trump takes to Twitter saying the U.S. needs to up its nuclear capabilities, on the same day that Russia’s Vladimir Putin hints at the same for his country. That’s got some analysts worried that we could be witnessing the early stages of an arms race. Graham Mackay reports.