“Iran’s Nuclear Triumph” roared the headline of the Wall Street Journal editorial. William Kristol is again quoting Churchill on Munich. Since the news broke Saturday night that Iran had agreed to a six-month freeze on its nuclear program, we are back in the Sudetenland again. Why? For not only was this modest deal agreed to by the United States, but also by our NATO allies Germany, Britain and France. Russia and China are fine with it. Iran’s rivals, Turkey and Egypt, are calling it a good deal. Saudi Arabia says it “could be a first step toward a comprehensive solution...