Speaking to the Saudi English-language newspaper Al Arabiya, Israeli Prime Minister Benjamin Netanyahu made his case for peace between Israel and the Kingdom of Saudi Arabia. Such a peace, he explained, would be "a quantum leap for overall peace between Israel and the Arab word," which would change the Middle East "in ways that are unimaginable." Netanyahu understated the point. As the custodian of Islam's most sacred mosques in Mecca and Medina, Saudi Arabia is not only the most important Arab stateāit is the most important state in the broader Muslim world. Saudi-Israeli peace would thus not only end the...