In this Sunday, Dec. 11, 2011, file photo, masked Pakistani Taliban militants take part in a training session in an area of Pakistan's tribal South Waziristan region along the Afghan border. (AP Photo/Ishtiaq Mahsud, File)
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In this Sunday, Dec. 11, 2011, file photo, masked Pakistani Taliban militants take part in a training session in an area of Pakistan's tribal South Waziristan region along the Afghan border. (AP Photo/Ishtiaq Mahsud, File)
