if they were able to trace it back, someone would be in a significant amount of trouble. >> nick, talk about what this will add to the already impact, what the paris attack, the impact they're having around the world. and what this particular possibility, the threat to air travel will mean to people outside of france now. as this tragedy and now crisis continues. >> well, this comes on top, not only of the paris terror attack, but also on the bombing of the russian plane leaving sharm also shake. it was said to have two pounds of explosives on it. it was so devastating. that's going to make everyone very nervous. i do think we have to be