Nuclear Issues

The last seven decades without war among the great powers – what historians describe as “the long peace” – is a remarkable achievement. “This is a rare and unusual fact if you look at the last few thousand years of history,” said Graham Allison, director of the Belfer Center and moderator of the IDEASpHERE panel “Winning the Peace.” “Furthermore, it is no accident. Wise choices by statesmen have contributed to ‘the long peace,’ which has allowed many generations to live their lives.”

The thought that what we are now witnessing in Ukraine could trigger a cascade of actions and reactions that end in war will strike most readers as fanciful. Fortunately, it is, writes Graham Allison. But we should not forget that in May 1914, the possibility that the assassination of an Archduke could produce a world war seemed almost inconceivable. History teaches that unlikely, even unimaginable events do happen.

In 1985, researchers at the Harvard Kennedy School published a book called “Hawks, Doves, and Owls,” and gave it an ambitious subtitle: “An Agenda for Avoiding Nuclear War.” Those scholars gathered again at the School on Monday (May 16) for a seminar on the current challenges in avoiding nuclear war — and to marvel at just how drastically the nuclear threat has morphed in the two decades since the Cold War ended and the Soviet Union collapsed.