Hello and welcome to the Intelligence on Economist Radio. I'm your host, Jason Palmer.

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

As Islamic State loses its grip in the Middle East, foreign fighters who came to join the Caliphate want to go home.

Governments around the world face a troubling choice about whether and how to readmit their radicalized citizens.

And some people see wine as more than just a drink. They see an investment.

For years, that usually meant wines from B a drink. They see an investment.

For years, that usually meant wines from Bordeaux.

But that's changing.

A rising fermented favorite is Burgundy, and buyers are intoxicated by it. But first...

There's more hope that a costly trade war between China and America may be coming to an end.

This weekend, there were talks between America's trade representative, Robert Lightheiser,

and the Chinese vice-premier Liu He.

Things went well enough that President Donald Trump delayed America's next campaign in the trade

war, a big boost to tariffs on Chinese goods that had been scheduled for this coming Friday.

That sent Chinese stocks on a tear earlier today. China's currency

hit a seven-month high. But the tit-for-tat tariffs, the countries have been imposing

on each other for more than a year, have already had serious effects. How hard will it be to

heal the wounds inflicted so far? A single commodity provides clues.

Soybeans have really been at the heart of this trade war. Soybeans alone were around 9% of total American exports to China in 2017.

Samaya Keynes is our US economics correspondent.

I went to visit Tim Bardol, who runs this family farm

near Rippie in central Iowa.

...