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...

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...

The International community has been pushing for economic sanctions for Iran, hoping to pressure the leadership from within. While it significantly cuts funding to the regime, straining their ability to pursue their nuclear program, it may counterproductive. Economic strain may push more...