Financial markets are more complex than ever.

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Listen to the markets, a new series from the Goldman Sachs exchanges podcast.

Hello and welcome to the intelligence from the economist.

I'm Aura Ogumbi.

And I'm Jason Palmer.

Every weekday we provide a fresh perspective on the events shaping your world.

Chicago is known for many things.

Deep dish pizza, its city skyline and an extensive transport system.

But residents have fallen out of love with its buses and trains.

And this troubling situation is being mirrored across the country.

And for dignitaries visiting China, there's clearly an unwritten fashion rule that's being observed.

Our correspondent looks into why it's so important.

First up though.

Last night Russia's president Vladimir Putin took to the airwaves again,

with a blast of vitriol for what he called the organizers of the rebellion against him.

But the organizer of the protests, he came to his side, to his people,

and they were willing to take the initiative.

Mr. Putin mentioned betrayals and all sorts of national traders,

but he didn't name Yvgeny Prigozhin, the leader of the Wagner Group of mercenaries,

who led what was to be a march on Moscow.

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