This view has also been put forward by Bernard Haykel who appears to be regarded as a notable secular authority on Islamic State. https://en.wikipedia.org/wiki

This view has also been put forward by Bernard Haykel who appears to be regarded as a notable secular authority on Islamic State. https://en.wikipedia.org/wiki/Bernard_Haykel https://en.wikipedia.org/wiki/Bernard_Haykel "What ISIS Really Wants" http://www.theatlantic.com/magazine/archive/2015/03/what-isis-really-wants/384980/ http://www.theatlantic.com/magazine/archive/2015/03/what-isi...