RUMSFELD / KNOWNS

Shot 02/12/2002. Donald Rumsfeld Defense Secretary-- '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 '. To License This Clip, Click Here: http://collection.cnn.com/content/cli...

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