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When the Cold War came to an end, I was lucky enough to be taken by the United States Air Force to the Aleutian Islands to see their early warning systems built to defend against a missile attack from Russia.

The Aleutian Islands run in a long chain from Alaska towards Russia and are home to a hugely important American strategic defence asset in the Arctic.

In one of the bases, I noticed darkly humorous slogans

written on the T-shirts of some of the U.S. Air Force personnel.

The slogans read,

It's not the end of the world, but you can see it from here.

This must have been light-hearted relief for those warning about nuclear Armageddon and the Cold War,

a period we came through with diplomacy winning out in the end.

But what about today?

After the post-Cold War hope for cooperation, peace has become fragile or expendable. From Iran to Ukraine and

beyond, the political order has changed into various kinds of geopolitical disorder, with the United

Nations sidelined and big power rivalry involving Russia, China, the United States and others.

Today, we'll hear how we might, somehow, manage to navigate a new era of profound uncertainty.

I'm Gavin Esler, and this is not a drill. In a new book named Surviving Chaos,

Director of the European Council on Foreign Relations,

Mark Leonard, interrogates the challenges of geopolitics when the rules fail.

He joins us on the podcast today. Mark, welcome to This is Not a Drill, and maybe we should

...