Ambrose Evans-Pritchard — Saudis risk playing with fire in shale-price showdown as crude crashes

The Sunni Salafist tornado sweeping across the Middle East – so strangely like the lightning expansion of Islam in the mid-7th century – is moving to its own inner rhythms. It is not a simple function of economic welfare, let alone oil prices.

The Telegraph
Saudis risk playing with fire in shale-price showdown as crude crashes
Ambrose Evans-Pritchard