“To Fly. To Serve.” That’s the motto of British Airways, a carrier I have flown for many years. When I first saw those words displayed on a plaque in the cabin as I boarded my flight, I chuckled. At the time, they seemed rather pretentious for what has become a very commonplace, almost plebeian way to get folks from one place to another. Of course, the more I thought about it, the more...