Support WBUR'I Was Speechless': Law Firm Investigated Its Own Ex-Client For Trump VOA ChiefDavid FolkenflikMarch 10, 2021 ShareIn June 2020, Libby Liu announced she would step down as head of the Open Technology Fund the following month. But newly appointed U.S. Agency for Global Media CEO Michael Pack fired her effective immediately. (USC Center on Public Diplomacy)