“The four Gulf Arab participants in the US-led group entertain profound reservations on another score: Iran’s increasing involvement in the US-led war on ISIS and the growing operational coordination between the two powers – especially in the Iraq arena – compared with Washington’s dwindling cooperation with the Gulf participants.

It is feared in Riyadh – and not just in Abu Dhabi – that the joint US-Iranian war effort against the Islamic State is providing a screen behind which the Obama administration is opening doors for Iran to advance its regional aspirations.

They are adamantly opposed to Obama’s policy in this regard and are loath to lend their air strength for its support. Therefore the entire Gulf component, and not just the UAE, may be quietly taking its leave of the US-led coalition against ISIS”. More: