News Ex-Ukraine ambassador Marie Yovanovitch tells lawmakers Trump ‘pressured’ State Department to remove her October 11, 2019October 11, 2019 Ledyard King and Christal Hayes, USA TODAY Comments Off on Ex-Ukraine ambassador Marie Yovanovitch tells lawmakers Trump ‘pressured’ State Department to remove her Marie L. Yovanovitch, the former U.S. ambassador to Ukraine, is considered a key witness in the House impeachment inquiry into President Donald Trump.