Victoria\u2019s Yoorrook Justice Commission will soon wind up its formal hearings, with its final recommendations to the state government due next year. As a number of other states plan their own truth-telling processes, Yoorrook\u2019s chair, Wamba Wamba and Wergaia elder Prof Eleanor Bourke, speaks to Jane Lee about how the conversation on Indigenous Australians is changing, and the value of truth-telling