Benjamin Netanyahu has evoked the spirit of London during the blitz, and pointed to his own family’s sacrifice amid the blood, toil, tears and sweat of his nation: the second postponement of his son’s wedding. The Israeli prime minister’s remarks, solemnly delivered to the cameras against the backdrop of a missile-struck hospital building in the southern city of Be’er Sheva, set off a howl of derision that echoed around the Hebrew-language internet, at the height of a war that Netanyahu unleashed on Friday. The stunning comments also added grist to the arguments of his critics that the PM is increasingly...