IMPEACHMENT HEARING - JENNIFER WILLIAMS - AP 11-7-19 2.jpeg

Jennifer Williams, a special adviser to Vice President Mike Pence for Europe and Russia who is a career Foreign Service officer, arrives for a closed-door interview in the impeachment inquiry on President Donald Trump's efforts to press Ukraine to investigate his political rival, Joe Biden, at the Capitol in Washington, Thursday, Nov. 7, 2019. (AP Photo/J. Scott Applewhite)