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PBS News Hour
How the U.S. plans to deter Russian action against Ukraine
President Joe Biden's video call with Russian President Vladimir Putin Tuesday was the fourth time the leaders have spoken or met this year. Russia now has more than 100,000 troops stationed on the border of Ukraine, and Biden gave Putin a "crystal clear" message, according to aides, that Russia faces significant economic reprisals if it were to invade. Nick Schifrin reports.
