In the 90s, Ukraine made the decision to dismantle the thousands of former Soviet nuclear weapons left on its territory. Nearly 3 decades later, Russia has invaded Ukraine using its own nuclear arsenal to bully other nations from interceding. In this special episode of AT THE BRINK, we explore whether Ukrainian denuclearization was a fateful mistake and if a nuclear Ukraine could have prevented the Russian invasion.

Analysts, scholars predict that fighting will grow more brutal, deadly before serious talks begin.

Ashton Carter, Dick Cheney, William Cohen, Mark Esper, Robert Gates, Chuck Hagel, James Mattis, Leon Panetta, William Perry and Donald Rumsfeld are the 10 living former U.S. secretaries of defense.

Speech by French Minister of the Armed Forces, Florence Parly, at the Harvard Kennedy School on January 28, 2020.

In a country worried about its own internal divisions, public figures are increasingly calling for a return of the military draft, or at least some kind of mandatory national service. Wouldn’t it be good, they often reason, to reinforce for today’s young people the sense of common cause that animated the Greatest Generation? Universal service is a commendable effort to deepen citizenship that should appeal to all Americans. But a closer look at these ideas suggests deep flaws, writes former Secretary of Defense Ash Carter.

Jobs in finance, consulting, technology, or law are appealing to many graduates, and many recent graduates find that they can apply their spirit of public service to these private-sector roles. But few, if any, of these roles satisfy the deep hunger for career purpose as well as working for government.

The twenty-fifth Secretary of Defense takes readers behind the scenes to reveal the inner workings of the Pentagon, its vital mission, and what it takes to lead it.

Harvard Kennedy School Dean Douglas Elemendorf announced this week that Juliette Kayyem has been promoted to Senior Lecturer.