Former U.S. ambassador to Ukraine Marie Yovanovitch testified in the impeachment inquiry on Friday. On "Post Reports," reporter Shane Harris explains how President Trump's reaction to her testimony prompted accusations of witness intimidation .

An ousted ambassador tells her story to Congress

Subscribe to follow The Washington Post’s coverage of impeachment proceedings with this collection of episodes from across The Post’s audio programming, including "Post Reports," "Can He Do That?" and "The Daily 202's Big Idea."