In “Proportionate Deterrence: A Model Nuclear Posture Review,” George Perkovich and Pranay Vaddi provide analysis and recommendations for the Biden Administration. Please join the authors for a conversation about their recommendations with Michèle Flournoy.

Emerging from the pandemic, the United States will still face a multipolar international environment driven by powers determined to protect their own interests and spheres of influence, intractable conflicts, and great power competition

For more than two decades, addressing fragility has been an evolving bipartisan priority for U.S. policymakers. Yet growing understanding and consensus about the problem has failed to generate the strategic, unified, and long-term policies required to achieve solutions.

State fragility will remain a central feature of the international landscape for the foreseeable future. The United States’ response, however, can and must evolve.

A discussion of the nonproliferation issues that are to be discussed at the upcoming Gleneagles Summit.