Peter Dutton’s announcement last month that he won’t stand in front of the Aboriginal flag got just the kind of reaction he was likely after – talkback minutes, headlines, private agreement from some quarters and outrage from others.

For Professor Marcia Langton, Dutton’s announcement felt fitting. She’s watched his record on Indigenous affairs and says she doesn’t want him anywhere near the flag.

Tomorrow, Australia will vote on the future of reconciliation. It’s a binary question, but we’re being asked to consider the country’s relationship with the First Australians and how we want to conduct political discourse.

This final episode in the series, looks at the two different Australias we are choosing between, with someone who has spent her life in the struggle for reconciliation and understanding: Professor Marcia Langton.

This year Peter Dutton has begun to spread doubt about the Voice to Parliament. His question is: where’s the detail? One woman has spent years fleshing out the proposal.

Marcia Langton co-authored a report on the Voice, and briefed every party room in Canberra about what the model could look like. Today, Professor at the University of Melbourne Marcia Langton.