Last month Australia slipped further down the rankings in the international corruption index. Among a wide range of factors cited by Transparency International was Australia’s “inappropriate industry lobbying in large-scale projects such as mining”, as well as “revolving doors and a culture of mateship”.

Barnaby Joyce thought he was untouchable. But for the Malcolm Turnbull government in crisis mode, it seems he could be dispensable.

The week before last, it appeared that Joyce’s media and parliamentary advisors may have just managed to save his skin. After the tabloids splashed news of his affair — including a picture of Vikki Campion, Joyce's former media advisor and now partner — we had the “Look, I never said I was an angel” line.

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