>the rise of ISIS and various militias

Where is ISIS now?

>the collapse of Iraqi society

Iraq's human development index is currently higher than it's ever been. It has a fairly typical human development index for its region. https://ourworldindata.org/grapher/human-development-index?t...

You guys will define "winning" so narrowly that if the Middle East continues to be volatile, that means the US must've lost. The type of victory that the US achieved in WW2 is an atypically high standard for "victory".