WH Blocked Key Mueller Witness From Testifying More Than 200 Times

https://talkingpointsmemo.com/muckraker/annie-donaldson-house-transcript?fbclid=IwAR3PVgNxLCxMxVnJBXaTZAzhgHQEFu0PD9EQDAeCcVuGEn6kaI8hLn8AS7U
"Annie Donaldson, the former chief of staff to White House counsel Don McGahn and a crucial witness in Special Counsel Robert Mueller’s investigation, found herself blocked from replying to questions from a House panel more than 200 times because of “constitutionally-based Executive Branch confidentiality interests.” The 55-page list of responses from Donaldson records 212 separate assertions of the clunky phrase, which appears to demand confidentiality without formally asserting executive privilege."