Russia’s invasion of Ukraine looks like a horrific Cold War throwback. Once again, a strongman rules in Moscow, Russian tanks are rolling across borders, and a democratic nation is fighting for its survival, street by street, day by day, armed with little more than Molotov cocktails and a fierce belief in freedom. For all the talk of emerging technologies and new threats, the violence in Ukraine feels raw and low-tech, and the world suddenly looks old again.

And yet, amid all these echoes of the past, Russia’s invasion has ushered in one development that is altogether new and could dramatically change geopolitics in the future: the real-time public disclosure of highly classified intelligence.

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