All major airlines that have jumbo jets, the regulators across the board should require and mandate that that's a part of every base package when you buy an airplane. >> and when you think about it, $10 a flight -- >> between the united states and europe, it is required for planes to fly the busy north atlantic but it is not elsewhere in the world. >> miles, what lessons should we be learning from this? >> picking up on that, it's a lesson on how important it is for the regulatory bodies to really step up and force these issues. the airlines are not going to do it on their own, even $10 a flig...