Emblematic of modern warfare, predator drones have become the weapon of choice in America's war in Afghanistan. Initially used for reconnaissance, for years the airborne robots have been armed with Hellfire missiles. Reportedly very effective in the fight against al Qaeda and the Taliban, the Obama Administration is debating a plan that would extend drone strikes into the Pakistani city of Quetta. But could urban use of this weapon end up costing innocent lives, driving a wedge between Washington and Islamabad? Will their use be expanded to the US border for surveillance purposes?