'New Cold Wars' examines America's struggles with China and Russia

In 1991, the Soviet Union ceased to exist, and with it the Cold War. At the same time, China was amid its rapid expansion. Now, Russia is again a principal adversary and China is a much stronger competitor. Nick Schifrin discussed the challenge presented by both nations with David Sanger, author of "New Cold Wars: China's Rise, Russia's Invasion, and America's Struggle to Defend the West."
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