US drone strategy in Pakistan under scrutiny

Two events this week framed the argument over the use of drones in Pakistan and Afghanistan. Al-Qaida confirmed that one of its founding members -- a man named Mustafa Abu al-Yazid -- was killed by a drone attack inside Pakistan. U.S. officials called his death a major setback for al-Qaida. The second event was the U.S. military's investigation into the deaths of 23 Afghan civilians in February. It concluded that a team operating a surveillance drone made a mistake and identified a convoy of vehicles full of women and children as an insurgent target.

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