AP Photo

The postcard from the Home Front Command that recently arrived in my mailbox looks like an ad from the Ministry of Tourism. A map of Israel is divided by color into six regions, each symbolized by an upbeat drawing: a smiling camel in the Negev desert, a skier in the Golan Heights. In fact, each region signifies the amount of time residents will have to seek shelter from an impending missile attack. If you live along the Gaza border, you have 15 seconds after the siren sounds. Jerusalemites get a full three minutes. But as the regions move farther north, the time drops again, until finally, along the Lebanese and Syrian borders, the color red designates "immediate entry into a shelter." In other words, if you're not already inside a shelter don't bother looking for one.

The...