for more on this, i'm joined by "new york times" reporter steven lee myers. daniel byman, director of the center for peace and security studies at georgetown university. steven lee myers, let me start with you. two top administration officials say it was terrorism. one makes a direct link to an al qaeda group but how much and what exactly is known at this point about the attack in benghazi? >> well, i think administration is clearly trying to learn more. from the first day they've launched an investigation headed by the f.b.i., of course. then you have an internal review. and they've been very careful not to jump to conclusions, if you will. and that's led them to sort of change-- not change, evolve their story a little bit each day. you learn a little bit more. the question of whether or not it was a terrorist attack. initially it seemed to be more of a mob or riot that was prompted by the video that's been circulating and causing protests across the region. that now seems not to have been the case. it seems to have been a much more organized attack that was