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I don't have much sympathy for Graner but it's true it is an utter disgrace that none of his superiors or anybody from the CIA has been punished. Nor, it seems to me, is there much appetite to make this happen; America has 'moved on'.
But what is striking is the barbarity of the prison conditions under which Graner is held. What do the authorities hope to achieve by this? If this sort of casual brutality permeates the system then it's no wonder that Abu Ghraib happened and will happen again in the future.