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

filling in for Jason Palmer. Every weekday, we provide a fresh perspective on the events

shaping your world. For years, the world economy has been running cool. Supply has been plentiful.

Prices have stayed low.

But with America reopening and its government pumping money into the economy,

there are some worrying signs that prices are rising.

And pizza ought to be a simple pleasure.

A little dough, some tomato sauce, a bit of cheese.

But pineapple topping, delicacy or abomination?

We look at how that vexed question has divided the world and broken the internet.

First up, though. Yesterday, after four days of fighting, Israel's bombardment of Gaza intensified.

Thousands of Israeli troops gathered on the edge of the territory.

They fired shells from tanks and artillery pieces.

The militant group Hamas continued to fire rockets at Israel.

More than a hundred people have now been killed in Gaza and eight in Israel.

But even as Israel has stepped up its war on Hamas, another has been raging inside its

own borders. There was mob violence in cities across the country as tensions between Arabs and

Jewish residents boiled over. Israel's president, Ruvan Rivlin, pleaded with citizens to stop

this madness. Prime Minister Benjamin Netanyahu

said nothing could justify a lynching of Jews by Arabs or Arabs by Jews.

The violence within its borders and across it might be Israel's most serious challenge for decades.

Israel now finds itself in a really tricky position.

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