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.

Video gaming is big business, bigger than the movie and music industries put together.

But efforts to stream games over the internet, as movies and music are, have so far faltered.

We take a look at the companies trying to become the Netflix of gaming.

And we talk to an author who aimed to update a 1970s exploration of male sexuality

by examining the lives of three women today.

What she found is a revealing picture of modern female desire and how it's perceived.

But first...

Over the weekend in Yemen, an armed separatist uprising overran the key port city of Aden.

This is surprising because that separatist group was one of an array of militias and international

allies who are nominally on the same side in Yemen's civil war. That coalition is led by Saudi

Arabia and supported by the United Arab Emirates and Western powers. It backs an internationally

recognized government in its war against rebels

known as Houthis. But after five years, the coalition's war against the Houthis has made little progress.

Meanwhile, Yemen's people are suffering a humanitarian crisis of breathtaking scale.

And this mutiny by separatists could indicate that the coalition

is fragmenting. What you have now is basically a civil war within a civil war. Roger McShane is our

Middle East editor. At the top level, you still have the Saudi-backed Sunni coalition that supports

the government against the Houthis.

But on the local level, there was never really much of a coalition.

There were a bunch of armed groups shooting in the same direction at the Houthis.

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