Governor-General Designate Samantha Mostyn and Prime Minister Anthony Albanese at Parliament House. Photo: Mick Tsikas/AAP “The vice-regal operations would greatly benefit from the ‘sunshine of public exposure’… we have every right to know the attitudes and actions made on our behalf by the governor-general herself,” write The Gadfly columnist ROBERT MACKLIN. “Sam who? Oh, Samantha Mostyn… yes, I’ve seen her on The Drum. Seems like a pleasant p…