Now , if you were the proverbial fair-minded visitor from Mars ( who in school civics texts of my childhood always seemed to land on Main Street , U.S.A. , to survey the wonders of our American system ) , you might be a bit taken aback by Mullen 's statement . After all , one of the revelations in the trove of leaked documents Assange put online had to do with how much blood from innocent Afghan civilians was already on American hands .