On December 29 call, Flynn asked Kislyak to refrain from escalating the situation in response to expulsion of diplomats, not sanctions.
https://twitter.com/CBS_Herridge/status/12664573577https://www.grassley.senate.gov/sites/default/files/2020-05-29%20ODNI%20to%20CEG%20RHJ%20%28Flynn%20Transcripts%29.pdf
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