I can't see why Rumsfeld is given credit for this, when Plato / Socrates essentially summed up the same idea thousands of years prior: http://en.wikipedia.org/w

I can't see why Rumsfeld is given credit for this, when Plato / Socrates essentially summed up the same idea thousands of years prior: http://en.wikipedia.org/wiki/I_know_that_I_know_nothing http://en.wikipedia.org/wiki/I_know_that_I_know_nothing