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

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

A few countries are already administering third COVID-19 vaccine doses to vulnerable populations

and talk has turned to wider rollouts. We ask whether these booster shots are justifiable

epidemiologically or morally given how few have had even won.

And there was plenty of enthusiasm for this week's exhibition games in America's Major League

Baseball, but the national pastime is clearly in decline. We examine why so few young people

go to bat for it and what's being done to bring them to the plate.

We stop though. South Africa continues to experience its worst violence since the end of a

par-tod. Motorways have been forced to close and ambulances until a communications towers

have been attacked. Businesses have been widely looted and some of them weren't to the ground.

I saw the place in God in flames. My livelihood has been taken away from me in my eyes.

I was sitting crying helpless.

With the country's largest oil refinery shut down and farming and commerce at a standstill,

there are very real fears of shortages. At least 72 people have been killed and more

than a thousand are arrested.

Over the past few days and nights, there have been acts of public violence of a kind, rarely

seen in the history of our democracy.

In a public address this week, President Cyril Ramaposa called for peace.

There is no grievance, no any political cause that can justify the violence and the destruction

that we have seen in parts of the world.

The sheer scale of the unrest makes it hard to pin down a single cause, but it all began

...