Terrorism: CIAo! Black ops, drone deaths push US-Pakistan tensions to edge

Tensions between the U.S. and Pakistan have risen sharply in recent weeks leading Islamabad officials to demand a cut in the number of CIA personnel in the country. It comes as its foreign office called American drone-attacks a 'core irritant' in the fight against terror. The latest attack drew strong criticism after several civilians were killed in North Wariziristan on Wednesday.