Arab states, particularly in the Gulf, are seeking to build up their air power and missile defenses to counter any challenger from Iran. Mostly they're looking to their traditional arms suppliers in the West, the United States, Britain and France, but Russia is pushing hard for a piece of the action. This year's biennial Dubai air show, which opened Sunday in the United Arab Emirates, provided a showcase for the latest technology on offer. Air power has been the deciding factor in most Middle Eastern conflicts since the 1967 Arab-Israeli conflict, when Israeli warplanes annihilated the air forces of Egypt,...