A close reading of Russia’s nuclear statements and actions during the first seven months of its war against Ukraine reveals a threefold approach. Moscow is walking a fine line between a well-crafted and successful deterrence strategy to prevent foreign military intervention; a more modest and...

In the West, Russia’s nuclear deterrence strategy is often described as one of “escalate to deescalate”. The thinking goes that Moscow is prepared to use nuclear weapons at an early stage in a conflict in order to “deescalate” and terminate the confrontation quickly in its favour....

Replacing the US nuclear guarantee with a French nuclear umbrella for Europe would face major political and logistical challenges. Nevertheless, given the growing un­certainty in Europe and Asia, the German government should consider scenarios and options that go beyond today’s deterrence...

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...

While heated debates in Europe have focused on how to respond if Donald J. Trump is re-elected to the White House, discussions in Australia, Japan, and South Korea reveal a greater sense of confidence in Washington's commitments. The fear that the United States would withdraw its nuclear...