u.s. and british officials putting into high likelihood a bomb brought down that plane. senator john mccain joins me now. i know this is not conclusive evidence and u.s. intelligence is being more cautious than the brits right now but you have the prime minister standing next to the egyptian leader and calling putin today and saying this is a high likelihood. that certainly indicates they have heard something. >> i think they heard something. just on the face of it, planes made by airbus do not break up at 30,000 feet. also, as we all know, there was a so-called heat flash. that could have been a lot of things, but generally speaking, it means some kind of explosion took place. now, it could have been a fuel explosion, but that's in my view unlikely. finally, you know a lot of the airports, particularly where this one took off, probably