The World Ahead: NPT threats
The Nuclear Non-Proliferation Treaty turns 50 this year, but the celebrations may be short-lived. Also, the challenges facing Canada’s prime minister, Justin Trudeau, as he tries to keep both China and America happy. And why the future of video-gaming may play out in the cloud. Tom Standage hosts.
Music by Chris Zabriskie "Candlepower" (CC by 4.0)
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