Proof in the Picture... My friend John, whose profession requires his being on airliners much of the time, is pretty much a “follow the rules” kind of guy. He adheres to flight attendants’ directives to the letter. If you guess he keeps his seat belt securely fastened at all times--just like the pilots do up front --you are correct. He acknowledges that many fellow flyers are way off course on travel etiquette, however, and just when he thinks he has seen all possible gro ...