Nearly a decade after they first took to the skies over Pakistan's unruly tribal areas along the border with Afghanistan, America's unmanned drone aircraft are causing fierce controversy in both the United States and Pakistan. The tension arises from recent claims by international rights groups that a large number of civilians are being killed in drone strikes in tribal areas where Taliban and al-Qaeda militants have sanctuaries. Ironically the issue seems to have put rights groups on the same page as the pro-Taliban forces in Pakistan. Both are using what they call "high" civilian deaths as the centrepiece of their campaign to denounce the drone programme. Conflicting…