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Russian President Vladimir Putin, left, meets with US President Barack Obama on the sidelines of the UN conference on climate change - COP21, on November 30, 2015 at Le Bourget, on the outskirts of the French capital Paris.
Russian President Vladimir Putin, left, meets with US President Barack Obama on the sidelines of the UN conference on climate change - COP21, on November 30, 2015 at Le Bourget, on the outskirts of the French capital Paris.

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    Are U.S. and Russia in new Cold War?

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Are U.S. and Russia in new Cold War?

Russian aggression towards U.S. military assets has many here at home concerned were headed for a Cold War era confrontation. CNN's Jim Sciutto reports.

Are U.S. and Russia in new Cold War?

Russian aggression towards U.S. military assets has many here at home concerned were headed for a Cold War era confrontation. CNN's Jim Sciutto reports.