There's a shadow world beneath Canberra, fed by the defence, foreign affairs and security communities, and it is hugely influential in how the government responds to our biggest geopolitical challenges.

Margaret Simons has spent decades keeping a close eye on this world. Recently, the story of one think tank, China Matters, caught her attention.

The group, dedicated to bettering Australia’s understanding of China, was defunded during a time of aggressive posturing towards the superpower and talk of war.

Today, investigative journalist and contributor to The Monthly Margaret Simons on why this influential think tank came undone, and how a crew of anti-China politicians called the ‘Wolverines’ led the attack.

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Guest: Investigative journalist and contributor to The Monthly Margaret Simons