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.

In the 1990s, Balkan countries were notorious for their organized crime. But that generation

of gangsters has been locked up or retired. A new report suggests a new generation is

more nimble, more tech savvy, more international, and tougher to beat.

And an ambitious Mars mission is set to launch in America today. The red planet will soon

be a busy place in the past 10 days, both China and the United Arab Emirates have launched

their own missions. We look at the science and the politics of the Mars race.

But first, every single country in the world has imposed travel restrictions because of

COVID-19. There are more than 65,000 rules in total. And it'll be a long time before

globe-trauters can trot freely again. For those hoping for a summertime getaway, it's annoying.

But for would-be migrants, it can be life-shattering. Tens of millions who would have set off

to start a new life this year can't go. And tens of millions more who had already migrated

have lost their jobs. But foreign nationals don't always get the same support as citizens.

In South Africa, there are millions of migrants from other parts of Africa.

John McDermott is our chief Africa correspondent.

Most of these people work in low-paying jobs. They live hand-to-mouth, whether as domestic

workers, construction workers, or in the hospitality sector. And naturally the response to the

pandemic has been very hard on them. A few weeks ago, I went down to Hillbrough in Johannesburg,

where I met a domestic worker from Zimbabwe, named Nomsa Tishuma, who told me just how difficult

it's been to survive a lockdown in the city.

We're not working, we're working, everything is stopped.

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