COIN didn't work. What a shock! Who'd of thought teaching goat herders and poppy farmers to brush their teeth wouldn't work. Maybe it didn't work because 7th century Islamic ideology and tribalism considers foreigners evil infidels. As evidenced by the surge in green on blue attacks, illiterate Afghan Islamist sense our political and military leadership (if you can call it that) could not comprehend the fact Alexander, The British, and the Soviets were unable to "pacify" Afghanistan. The initial action to disrupt and punish AQ and the Taliban was good. We should have declared victory and left following Tora Bora. Nation building was a fools errand and Obama's policy borders on criminal.