Pakistani schoolchildren, walk to their school during a cold and foggy morning in Peshawar, Pakistan, Wednesday, Jan. 9, 2013. (AP Photo/Mohammad Sajjad)

Associated Press
Pakistani schoolchildren, walk to their school during a cold and foggy morning in Peshawar, Pakistan, Wednesday, Jan. 9, 2013. (AP Photo/Mohammad Sajjad)
Pakistani schoolchildren, walk to their school during a cold and foggy morning in Peshawar, Pakistan, Wednesday, Jan. 9, 2013. (AP Photo/Mohammad Sajjad)
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