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.

The Internet has become the second most popular way for Americans to meet a mate,

and the digital dating market is far more efficient than the offline kind.

But it comes with its own protocols and pitfalls.

And there's something not quite right about a video that India's Railways Minister posted

of the country's new high-speed train.

But first, it's been called the Final Battle.

It's been called the Final Battle.

In a province of eastern Syria,

Islamic State is clinging on.

A group that once counted 10 million people in its caliphate and controlled a border-spanning area

roughly the size of Britain

is now confined to a tiny pocket of land.

It's surrounded. After a four-year operation, American-backed Kurdish forces expect victory to come in days, not weeks. And when the

fighting is over, American troops will leave. We've been fighting for a long time in Syria. I've been

president for almost two years, and we've really stepped it up, and we have won

against ISIS. We've beaten them and we've beaten them badly. We've taken back the land. And now it's

time for our troops to come back home. The decision to withdraw has been questioned by the Pentagon's

own internal watchdog, which has cautioned that without

sustained pressure, Islamic State could resurge in Syria within six to 12 months.

The days of grandeur are well and truly over, the canofate which spanned the territory from

...