CNN CNN Tonight December 30, 2014 03:20:00
They'll get rid of the traffic. but in this case they didn't. and so that's where the problem lies. >> usually it's a domino effect right, mary? because usually it's not just one thing that happens. it's a confluence of different things that happen to cause an air disaster. >> well i agree. and i was suspicious about that because so many things can happen. if he was going ahead and climbing after air traffic control said no you would assume that you had traffic above you. and then that would set off another chain reaction. that would set off your collision avoidance system, and that would do t...