This is the quintessential exit interview by the most embittered person in the company.
Lawsuit to follow.
The reason this womyn survived so many Presidents is because THEY'VE all been part of the same corrupt political machine!
An ambassador is the personal representative of the President to the host country. If the President or the host government loses faith in that ambassador, he or she is removed. The President can remove an ambassador for any reason or no reason at any time. Yovanovitch should Google Ambassador Hume Horan and how he was removed from Saudi Arabia.
As a former foreign service officer who served for 28 years including in Tehran during the downfall of the Shah and the entry of Khomeini, I find her an embarrassment. She doesn't represent the foreign service.