I have great respect for Secretary of State Hillary Clinton, and give her credit for taking responsibility for the security lapse in Libya. If she in fact were the senior administration official to actually sign off on security reductions, merely claiming responsibility is not enough. True responsibility would be shown by the public resignation of the true culprit.
I fear that Clinton is trying to shield those in Washington who are really responsible. Why can we never see a signature on a document that actually caused the abominable result?