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Inside Trump's decision to share classified information with the Russians

On Tuesday, May 16, 2017, former Director of the National Counterterrorism Center Matthews Olsen joins Yahoo News Deputy Editor Daniel Klaidman and Yahoo News Chief Investigative Correspondent Michael Isikoff. The three discuss President Trump's decision to divulge classified information to the Russian foreign minister Sergey Lavrov and the Russian ambassador Sergei Kislyak.