Serious question, most of the civilians have got up and left for civilized countries. That leaves a dictatorship, and two extremist groups(FSA is an extremist group, the second US cuts support they will turn on the US). That portion of the world has always been a shithole, destroying it would be a favor to humanity, no? Cut the head off of the beast? Destroy ISIS without direct military confrontation? They're obviously willing to attack the west directly. Returning the favor would be simple and effective.
Inb4 op is lettuce
PS: If this ends up in destiny forums it is because the app automatically does it sometimes, fix your app bungie
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You realize Isis is everywhere, you'd have to nuke the entire planet. Besides nukes are very poor weapons of war. Interstellar rail guns capable of firing high speed asteroids at targets on earth with precession, now that is modern warfare.