For more than a decade and at very considerable expense, the United States has been attempting to create an Iraqi government that governs and an Iraqi army that fights; the results of those efforts speak for themselves: they have failed abysmally.
For decades now, the first four of these assertions have formed the foundation of U.S. policy in the Middle East. The events of 9/11 added the fifth, without in any way prompting a reconsideration of the first four.
In my childhood, we used to say three strikes and you're out. But in Washington, there's evidently no magic number at all when it comes to how many disbanded Iraqi armies is too many for another step to the plate and another whiff.
The latest American war was launched as a humanitarian mission. Within weeks, however, a full-scale bombing campaign was underway against IS across Iraq and Syria with its own "coalition of the willing" and 1,600 U.S. military personnel on the ground. Slippery slope? It was Teflon-coated.