Below, Crooke writes an interesting article about the grand plan of the Islamic State, on its way to in fact form a Caliphate foretold, it is believed, by the Prophet Himself.
The Kingdom of Jordan is a key. A look at a map will show why:
The article's conclusion:
The net result -- the unforeseen consequence of these actions -- is that a much bigger area of the Middle East -- and one which lies on Israel's borders -- serves both to consolidate the caliphate in As-Sham and at the same time lay the foundations for a subsequent attack on Israel. . . just as ISIS leadership intended.