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Are we at the start of a new nuclear arms race?

Are we at the start of a new nuclear arms race?

Matthew Bunn, a professor specializing in nuclear arms control at Harvard's Kennedy School, tells NPR's Ayesha Rascoe about concerns over a new nuclear arms race as the U.S. looks increasingly inward.

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Vladimir Putin's top diplomat issues ultimatum to Donald Trump as peace deal falls apart

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Inside 12 hours of chaos in Spain during an unprecedented power blackout

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Decision looming for Trump administration on first PFAS drinking water limits

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Row over children 'deported to Honduras' - as Trump officials dispute claims

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Gaza aid worker detained after Israeli attack has been released

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Top Israeli spymaster dramatically quits over war in huge bust up with Netanyahu

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Trump supporters worried about getting 'black mark’ if they attend prestigious event

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Norovirus horror as 'dominant' strain sparks mass outbreaks on cruise ships

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Kremlin accuses UK of providing explosives that killed Putin's top generals in bombings

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