Run this up the political flagpole.
Combine indigenous recognition in the constitution with the republic..
..by constitutionally requiring the President of Australia be elected from the nation's indigenous constituency.
A few definitions, presidential job description, to be sorted. But all in all, too easy.
First round of voting: indigenous constituency elects a limited number of presidential candidates.
Second round: national constituency elects the president from the indigenous-elected candidates.
Me, I'd love to see President Marcia Langton give the other arm of government a good kicking.
President Noel Pearson would also do me. Or...
Light blue touch paper and stand back.