Donald Rumsfeld Unknown Unknowns

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By: lgattruth
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Updated: 16-Sep-07
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Added: 14-Oct-07

Former United States Secretary of Defense, Donald Rumsfeld, Defense Department Briefing on February 12, 2002.

Reports that say that something hasn't happened are always interesting to me, because as we know, there are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns - the ones we don't know we don't know.