To Israel’s critics abroad, the picture could not be clearer: Israel’s war in Gaza is a wildly disproportionate response to the rockets of Hamas, causing untold human suffering and bombing an already isolated and impoverished population into the Stone Age, and it must be stopped. Yet here in Israel very few, at least among the Jewish population, see it that way. Since Israeli warplanes opened the assault on Gaza 17 days ago, about 900 Palestinians have been reported killed, many of them civilians. Red Cross workers were denied access to scores of dead and wounded Gazans, and a civilian crowd...