** FILE ** Former Taliban members, handcuffed, stand in line after turning in their weapons during a ceremony with the Afghan government in Herat, Afghanistan, on Sunday, April 7, 2013, as part of a peace-reconciliation program. (AP Photo/Hoshang Hashimi)
** FILE ** Former Taliban members, handcuffed, stand in line after turning in their weapons during a ceremony with the Afghan government in Herat, Afghanistan, on Sunday, April 7, 2013, as part of a peace-reconciliation program. (AP Photo/Hoshang Hashimi)
Former Pakistani President Pervez Musharraf (center), surrounded by guards, arrives at the airport in Karachi, Pakistan, on Sunday, March 24, 2013, after more than four years in self-exile. Mr. Musharraf is seeking a possible political comeback in defiance of judicial probes and death threats from Taliban militants. (AP Photo/Shakil Adil)
U.S. Marines walk on tracks of a vehicle to avoid improvised explosive devices (IEDs) as their platoon clears a route to reach another platoon in Marjah in Afghanistan's Helmand province in 2010. Marines airdropped into the region came under intense Taliban fire. (Associated Press)
Image made available by her press office of Malala Yousafzai, the Pakistani schoolgirl shot in the head by the Taliban, as she attends her first day of school on Tuesday, March 19, 2013, just weeks after being released from hospital. The 15-year-old participated in lessons at the Edgbaston High School for Girls in Birmingham, central England. (AP Photo/Malala Press Office)
Image made available by her press office of Malala Yousafzai, the Pakistani schoolgirl shot in the head by the Taliban, as she attends her first day of school on Tuesday, March 19, 2013, just weeks after being released from hospital. The 15-year-old participated in lessons at the Edgbaston High School for Girls in Birmingham, central England. (AP Photo/Malala Press Office)
Former Pakistani President Pervez Musharraf (center), surrounded by guards, arrives at the airport in Karachi, Pakistan, on Sunday, March 24, 2013, after more than four years in self-exile. Mr. Musharraf is seeking a possible political comeback in defiance of judicial probes and death threats from Taliban militants. (AP Photo/Shakil Adil)
Former Pakistani President Pervez Musharraf (center), surrounded by guards, arrives at the airport in Karachi, Pakistan, on Sunday, March 24, 2013, after more than four years in self-exile. Mr. Musharraf is seeking a possible political comeback in defiance of judicial probes and death threats from Taliban militants. (AP Photo/Shakil Adil)
** FILE ** Malala Yousafzai, the 15-year-old Pakistani girl who was shot in the head at close range by a Taliban gunman in October, reads a book as she continues her recovery at the Queen Elizabeth Hospital in Birmingham, England, in this undated photo. (AP Photo/Queen Elizabeth Hospital)
