A harmonica strikes a discordant note in the airport security line

You can’t spell “harmonica” without “harm.” And you know what they say: First do no harm.

Well, maybe they should say, “Do no harmonica.”

This is all a convoluted way of getting to today’s column, which is about what I call “magnetometer moments.” That’s when an innocent item packed in your carry-on bag raises alarm bells in the airport security line.