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

Professor Marcia Langton saw something else. She knows the tactic: a toxic political circus in the lead up to Australia Day, centred on lies about Aboriginal people. And she knows Dutton’s record on Indigenous affairs.

She doesn’t want him anywhere near the flag.

Today, Professor Marcia Langton AO on what it would mean for Aboriginal people if Peter Dutton becomes the prime minister.

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Guest: Professor Marcia Langton AO