A U.S. AIR BASE IN SOUTHWEST ASIA. -- Today, I put a note on a bomb. To be specific, I took a jet black marking pen and inscribed a 500-pound Joint Direct Attack Munition — JDAM, in the jargon. Perhaps putting a note on a bomb strikes some as either romantic, foolish or vicious — or a combination of the three. The act certainly has shades, colors and dollops of all these characteristics, and a harsh dash of steeling sentimentalism. These are the predictable psycho-babble carps. But let's get to the tacks: In my case, the act is motivated by...