"...Denial has a price: preserving the famous
strategic alliance with Saudi Arabia at the risk
of forgetting that the kingdom also relies on an
alliance with a religious clergy that produces,
legitimizes, spreads, preaches and defends
Wahhabism, the ultra-puritanical form of
Islam that Daesh feeds on.
..."
http://mobile.nytimes.com/2015/11/21/opinion/saudi-arabia-an-isis-that-has-made-it.html