Even as House Democrats were announcing their Ukraine-related impeachment articles against President Trump on Dec. 10, a key Ukrainian witness was calling into question a central piece of that puzzle.
Ukraine-U.S. Relations
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Aaron Blake: A top Ukrainian just undercut key impeachment testimony
Andriy Yermak, one of President Volodymyr Zelensky's key aides, pays a working visit to the Transcarpathian region in May, 2019. Yermak has become one of Zelensky's main advisers and negotiators.
