U.S. and Russia agree to extend limits on nuclear arms

The U.S. and Russia on Wednesday extended the only remaining treaty that limits the deployment of nuclear weapons. But did the agreement go far enough? Rose Gottemoeller, a distinguished lecturer at Stanford University who served as under secretary of state for arms control and international security during the Obama administration, joins Nick Schifrin to discuss the New START treaty. PBS NewsHour is supported by - https://ift.tt/3cb1NLD

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