# How Trump's trade war is changing everything

An episode of [ABC Business Daily](https://invisiblenetwork.ai/podcast/1886002828), 11 Sep 2026, 37 min.

Audio: https://mediacore-live-production.akamaized.net/audio/02/oc/Z/br.mp3

Donald Trump is rewriting the rules of global trade, using tariffs as political weapons and up-ending decades of economic orthodoxy. At the same time, trade routes themselves have become central to the war in Iran, with the Strait of Hormuz sitting at the heart of the conflict. So what does someone who has spent his career understanding the politics and economics of trade make of all this disruption? Former Australian trade negotiator and author of Why Politicians Lie About Trade, Dmitry Grozoubinski joins Alan Kohler on That’s Business with Alan Kohler to unpack Trump’s trade war, Mark Carney’s retaliation from Canada, and what the upheaval could mean for Australia and the global economy. Got a burning business question? Send a short voice recording to the ABC Business Daily team at abcbusinessdaily@abc.net.au

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