trying to do. but i think the third element is very important. that is to shore up the eastern flank of nay co. i'm not expecting russia to go into poland or the baltic states. but that's a situation where those countries need to be assured they're being treated as full members of nato. meaning an attack on them would be an attack on all of us. >> thank you very much. now to another developing story. a flight for 370, my panel of experts is here with me. what should be done next? and is failure an option? coming up, i'm going to ask my panel. don't go anywhere.