Where next for global jihad?

The world this week

Leaders

A rock in a hard place

The mess in Afghanistan exposes Britain’s foolish security policy

The time is long past for Britain to repair relations with its European neighbours

Following the Taliban

After Afghanistan, where next for global jihad?

The biggest danger is in poor, unstable states where insurgents already control territory

The Powell punt

Despite his shortcomings, Jerome Powell should be reappointed Fed chairman

It would be a bad time to cast any doubt on the Fed’s independence

Apple’s next decade

Apple exemplified an era of global capitalism that has passed

Tim Cook has to adapt to a new age of tech and globalisation

In praise of physics

Fundamental physics is humanity’s most extraordinary achievement

It sees worlds in grains of sand and infinities in hours

Letters

On refugees, Bolivia, Primrose Hill, Pacific island nations, Monty Python

Letters to the editor

Briefing

Good news for global jihad

America’s flight from Afghanistan will embolden jihadists around the world

Even if the Taliban do little to help other fighters, their success is an inspiration

Europe

Pretty and prejudiced

Schools brief

Science & technology

Life, the universe and everything

Physics seeks the future

Economic & financial indicators