Iran’s war against Israel took another turn for the worse last week as Operation Rising Lion struck Tehran’s nuclear-weapons program, air defenses and military leadership. Iran’s retaliation has so far been uneven and ineffective. Contrary to the scaremongers, World War III hasn’t broken out, nor will it. But what next? The 1979 Islamic Revolution retains power in Tehran, and it could rebuild its nuclear and ballistic-missile programs and terrorist networks. The only lasting foundation for...