>> we will see a lot of you over the next few days, thank you for staying up late with me in paris. now, a former n.t.s.b. member, john, are you with me? >> i am. let's talk about, at this point, know. that pilot apparently did in the last minutes, we are told there were 90 degree turns before the plane plummeted 37,000 to 20,000 feet, then, 10,000 feet, where it lost contact with radar. what does that tell you, that information alone? we know it has to be catastrophic event that disrupted the airplane. that event alone causes a lot of questions to be asked. how do we know from the radar that the airplane made those turns? part of me says that the engines had to be running, we had to have power to the transponder, that it was making the turns, if radar, primary radar doesn't give that great of data. if that is the case, the engines were running, we had electrical power, why not get a broadcast from the crew. if it it would 68 that we lost control, the vertical fin. if you don't have the vertical finn, the airplane doesn't go straight longer. it won't be answer until we see physical evidence. >> if this p