Pakistan’s Taliban, on the other hand, was born of the tumult that followed the September 2001 attacks. As American warplanes bombed the mountains of Tora Bora, hundreds of al Qaeda jihadis who had been sheltering under the Taliban in Afghanistan – Arabs, Uzbeks and Chechens, mostly – fled across the border into Pakistan’s tribal areas. Most ended up in North Waziristan and South Waziristan, where local Pashtun tribesmen flung open their doors in a warm welcome – partly out of nanawatai, Pashtunwali’s obligation of sanctuary to needy strangers, and partly out of more earthly considerations:
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