You’ve boarded a plane. The airline CEO walks down the aisle with a microphone. “Ladies and gentlemen, we’ve done extensive testing on this aircraft. We believe there’s a very good chance you’ll arrive safely. There are some risks because we don’t fully understand aerospace science and there’s a chance that any plane in flight, or possibly all of them, could fall out of the sky at any time and kill everyone aboard. We can’t estimate the odds and it’s out of our control, but our profits depend on having you make these trips, so sit back, relax, and enjoy your flight.” You might not feel…