The "first" Afghan was bankrupted the USSR and was a significant player in the fall of that Country. The rest of us should have learned a lesson from that. We didn't. Entirely too much blood has been shed by coalition forces on Afghan and Iraqi soil. Why? For the most part these wars have resulted in windfall profits for large corporations. War means tanks and weapons and missles and bombs and generators and tents and the list goes on. Defense Department contractors make huge fortunes, while sons and daughters die.
Both of these conflicts need to be clear of any coalition forces, except for maybe a few Special Ops giving some assistance to fight terrorism. The Muslim countries will fall back into as bad, or worse, condition than they were. Those who have had success with democracy will never change a centuries old culture that despises democracy. Let the countries over there sort it out. If they don't have the fortitude to defend their own, so be it. That responsibility certainly should not fall to we who live in civilized societies.