Victor Davis Hanson is a classicist and historian at the Hoover Institution, Stanford University, and the author, most recently, of The End of Sparta, a novel about ancient freedom.

Will Israel survive? That question hasn’t really been asked since 1967. Then, a far weaker Israel was surrounded on all sides by Arab dictatorships that were equipped with sophisticated weapons from their nuclear patron, the Soviet Union. But now, things are far worse for the Jewish state.

Egyptian mobs just tried to storm the Israeli embassy in Cairo and kill any Israelis they could get their hands on. Whatever Egyptian government emerges, it will be more Islamist than before — and may renounce the peace accords with Israel.

One thing unites Syrian and Libyan dissidents: They seem to hate Israel as much as the murderous dictators whom they have been trying to throw out.

The so-called Arab Spring was supposed to usher in Arab self-introspection about why intolerant strongmen keep sprouting up in the Middle East. Post-revolutionary critics could freely examine self-inflicted Arab wounds, such as tribalism, religious intolerance, authoritarianism, endemic corruption, closed economies, and gender apartheid.

But so far, “revolutionaries” sound a lot more like reactionaries...