John Kerry said Monday that "the world is safer today" because of the Iran nuclear deal. Details of how loud and long the mullahs laughed have not been released. In reality, the world is more threatened than ever by an aggressive and assertive Iran, confident and swaggering after besting Kerry at the negotiating table. As the International Atomic Energy Agency certified Iran's compliance with the stipulations of the nuclear deal and the U.S. and EU ended sanctions against the Islamic Republic, the head of Iran's armed forces, Major General Hassan Firouzabadi, was not in a conciliatory mood. After Iran seized...