And Donald Rumsfeld has won the annual Foot in Mouth award for this lovely sentence:

"Reports that say 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."

John Lister, spokesman for the campaign which strives to have public information delivered in clear, straightforward English, said: "We think we know what he means. But we don't know if we really know."