Guests checking into Cairo's Nile Hilton these days are greeted by a polite note warning: "Upon instructions from the government, there will be an airraid trial at any time." With characteristic efficiency, the Egyptians began their first drill with an all-clear signal. On the streets of the capital, increasing numbers of autos have their headlights painted blue to reduce their visibility from the air. Both the drillswhich went off largely as plannedand the "blue-out" are signs of Egypt's growing concern over Israeli air raids.
In recent weeks, Israeli jets have repeatedly blasted military installations near Cairothe closest strike coming just nine...