unrestricted cell phone use in the passenger cabin, i think, for most passengers would be a nonstarter. >> okay, an old-fashioned phone booth. that's one idea. patrick, tell me why this is a bad idea, as a current pilot, by the way. >> well, that's true. i think the upsides to the idea are obvious, but so are the downsides. it adds another potential stress factor into the air travel experience, which is already stressful for a lot of people. for me, when i fly as a passenger, it's interesting because the airplane cabin is often the quietest and most peaceful part of the whole experience. u.s. airports are so loud with our infatuation with public address announcements and tv news monitors of a certain network at every gate. >> we're happy they play cnn at the airports. >> you know what? what you or i think about this really doesn't matter. we are moving towards some version of onboard cell phone use. remember, it wasn't that long ago we still had smoking on