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.

China has developed a reputation for lending easy money in Africa to huge projects such as railways and ports,

but many of them have turned into costly flops, and China is starting to tighten up its purse strings.

And for centuries, tribes in Colombia have taken a hallucinogenic brew called ayahuasca in all-night

ceremonies. Now, tourists want in on the visions, and some shamans are all too happy to oblige.

But first... For weeks, President Donald Trump had promised raids to arrest and deport undocumented families living in America.

Over the weekend, agents from immigration and customs enforcement, or ICE, were expected

to target at least 2,000 migrants across 10 major cities.

It starts on Sunday, and they're going to take people out, and they're going to bring

them back to their countries.

But there was little evidence of that.

What drew more attention was Mr. Trump's Twitter tirade against four Democratic Congresswomen who

have vocally criticized his immigration policies.

The kind of crackdown, Mr. Trump promised, didn't come to pass, but it still might, and that

will keep plenty of migrants fearful.

This is the second time that the Trump administration has pre-announced that there

be widespread immigration raids leading to deportations.

John Priddo is our United States editor.

That in turn created a lot of fear in corners of America where there are a lot of undocumented migrants.

Only the raids didn't really materialize in the end.

There was some fairly routine immigration

enforcement, but not the sort of mass roundups that had been trailed in advance.

...