Most of what is written on nuclear weapons concentrates, understandably, on the here and now: the nuclear threat is a central and continuing fact of modern history . But this is intellectually constricting, both for understanding the nuclear age and for making thoughtful political judgments. It...

While a second Trump Presidency would be challenging for transatlantic ties, US nuclear assurances to its NATO allies in Europe would likely be the last casualty - not the first - of a fraying relationship. There is an intrinsic incompatibility between the United States completely abandoning its...