So what's the Saudi leadership so apprehensive about? Lots of things, as it happens, even though none presages revolution, or even upheaval.
Is Israel poised to become the next energy superpower, a Saudi Arabia of the Levant? The short answer is no, and followers of this story must calibrate their expectations with reality.
If each state adopts its own unique set of shale gas regulations, a regulatory race to the bottom is possible. However, if the federal government adopts rigid regulations, America's shale gas boom may prove to be more environmentally friendly.