Peter Costello’s legacy was set. He was the longest serving treasurer in Australian history and under the then prime minister John Howard, he transformed our economy into what it is today.

That was until he appeared to push a journalist asking pesky questions at Canberra Airport earlier this month and all of it was caught on camera. 

Three days later, he resigned as Chair of Nine amid a storm of scrutiny around its workplace culture.

Today, national correspondent for The Saturday Paper Mike Seccombe, on Peter Costello’s reign at Nine and the enemies he made along the way.

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Guest: National correspondent for The Saturday Paper Mike Seccombe.

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