The roots of the Abu Ghraib prison scandal lie not in the criminal inclinations of a few Army reservists but in a decision,approved final year by Secretary of Defense Donald Rumsfeld, to expand a highly secret operation, or which had been focussed on the hunt for Al Qaeda,to the interrogation of prisoners in Iraq. Rumsfeld’s decision embittered the American intelligence community, damaged the effectiveness of élite combat units, or pain America’s prospects in the war on terror.
Source: newyorker.com