Over the past decade, the U.S.-Russia relationship has deteriorated to its lowest point since the Cold War. Ambassador John Sullivan had a front-row seat to all of it and wrote about it in his new book, "Midnight in Moscow: A Memoir from the Front Lines of Russia's War Against the West." Nick Schifrin speaks with Sullivan about Putin's relations with Western countries and war in Ukraine. PBS News is supported by - https://www.pbs.org/newshour/about/funders
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