This is not a column about "threats," not in the terrorist sense, anyway.
Think of it as a list of taboo phrases and sentences that should not be uttered as a matter of courtesy, or as a matter of, oh, personal safety. Some of these "no-no's" could prompt fellow passengers to gang up on you and pull out a roll of duct tape.
I present this list strictly as a public service. Plus, at the very end, I'll give my take on what should be heard on an airplane. Here we go:
1. "Say, have you taken...Full Story