Thomas Vanden Driessche

Urbanism

Grand plans

Running a city is a daunting task, whether hosting the Olympics or overhauling transport. So who would take it on? We meet seven mayors bearing the weight of a city on their shoulders.

Politics

The Interview Series: Jens Stoltenberg

Faced with dilemmas over Nato's expansion and the fight against Isis, secretary-general Jens Stoltenberg discusses security, defence and why his main priority will always be keeping the peace.