convention this year were people of stature who were seriously involved at some point in obama's life. standing up to say, i know barack obama, i've been with barack obama. we have toiled together, you can trust him, i do. you said that was missing. romney has brought it up, condoleezzaa rice has brought it up, some critics have suggested that the president has the same problem that mitt romney has, that they actually are very similar in this way, that they remain a mystery, that people feel they don't really know these two men. what do you think about that comparison and how do you think mitt romney over comes that? >> well, i think there is a sense in which they are similar, because it's very, very difficult to understand the internal psychology of anyone, particularly at a distance. so i think in that sense romney is not that much different from any other presidential candidate who preceded him. but obama was absolutely different. he was utterly unique in the