watched the operation unfold. i want to go to the situation room. what s the mood? tense. people talking? yeah, but doing a lot of listening as well because we were able to monitor the situation in realtime and it was the longest 40 minutes of my life with the possible exception of when sasha gomeningitis when she was three months old and i was waiting for doctor to tell me she was all right. we are joined by jim miklaszewski. you know the history well of the pursuit of osama bin laden. there have been many cases where they had perhaps a 50-50 shot and did not go in, whether under clinton or bush. take us inside that situation room, to the decision the president had to make