CNN The Situation Room July 30, 2013 22:32:00
Diplomatic cables that embarrassed the u.s. government. >> because manning and wikileaks have become so fa nous, there's no doubt perceptions have been changed. there's no doubt people heard of more specific things than on the other hand. a lot of this kind of information was in the public debate. >> reporter: for example, michael o'halon says black water killed incident iraqis in a baghdad square. his point is before manning, americans already knew their leaders made critical mistakes in these wars and steps had to be taken to correct them. >> julian assange and other supporters of manning sa...