One year since US commandos killed al-Qaeda leader Osama bin Laden, Islamabad has failed to answer tough questions over whether its security forces were protecting the world's most wanted terrorist. The Pakistani government initially welcomed the raid that killed bin Laden, but within hours the mood changed as it became clear that Pakistan's army was cut out of the operation. Any discussions over how bin Laden managed to stay undetected in Pakistan were drowned out in anger at what the army portrayed as a treacherous act by a supposed ally.
