Are Andrzej Duda and Joe Biden the new Kennedys and Khrushchevs of the 21st century? Faced with the incident involving the explosion on Tuesday followingnoon of a missile on Polish soil, they, like the American and Soviet leaders during the Cuban missile crisis, avoided provoking an escalation of tensions between Russia and NATO. Secretary General of the Atlantic Alliance, the Norwegian Jens Stoltenberg for his part gave details on the state of the investigation into an incident which might have brought NATO and Russia directly into conflict. He clarified upfront: “We have no indications that there was a deliberate attack on NATO.” The secretary-general considered it “probable” that the incident which claimed the lives of two Polish citizens was caused by a missile fired by a Ukrainian anti-aircraft system. But he wanted to put the point on the i: