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Hello and welcome to the intelligence from The Economist. Today, from London, I'm your host,

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

America's big firms are girding for earnings season when they report quarterly profits.

Some tough news is expected.

We look into why any disappointing numbers might be reflecting

far more than just the bottom of the standard business cycle. And many parents will be aware

of baby brain, the idea that parenthood has noticeable cognitive effects. It's a real thing. Parts

of mothers' brains do in fact shrink.

Now, some new research shows that dad's brains get smaller too.

But first... In central Beijing today, serious pomp and ritual.

All of the grandees of the Chinese Communist Party are gathered for their five-yearly conference.

...