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It's possible that some in the international community have been watching what the US is itself doing regarding torture and the like. For anyone (within the 149 signatory countries) who might have an interest in prosecuting members of the Bush administration, they can only be encouraged to do so by Cheney's blatant admissions--almost as if daring anybody to do something about it. And if US Govt. fails completely to address it, that would also encourage interested parties overseas to take action.