Could the ISIS embroil Syria, Iraq and Iran in decades of sectarian warfare, decimating the radical population of all three states? We can hope. Sadly, even that best-case scenario endangers millions of innocents.
Of course, if George H. W. Bush hadn’t gone wobbly in 1990, we wouldn’t be having these troubles. (He, not his son, is responsible for the mess there.) Saddam Hussein would have been removed then, and the country likely split in three … and we’d have a whole different set of problems.
Be careful what you wish for.
As a Matter of Fancy 