mutassim, what is he like? >> he is the national security council adviser. he was seen as a rival really to saif, a potential rival for succession. there was reporting that saif was jealous of mutassim when he accompanied his father on state visits. he established his own militia to keep up with militias his brothers had. we saw him disappear from public view in the months preceding this revolt. >> he's pretty well known to at least americans because there are pictures of him actually with hillary clinton, is that not right? >> that's right. he was on a state visit. he was a proponent of military dialog and security corporation with the united states. >> do we know why he's disappeared from view? >> well, this started before the revolt broke out and this was just a sign, perhaps, that he had fallen out of favor with his father, that he was under