From sharply rising tensions with a nuclear North Korea and decertification of the Iran nuclear deal to China’s growing global assertiveness and the State Department pullback from projecting American values, such as democracy and human rights, around the world, the United States faces urgent national security challenges.

In a panel discussion Monday evening at Harvard Kennedy School (HKS) moderated by MSNBC host Rachel Maddow, former members of President Obama’s cabinet described what they see as a fraying of alliances, a loss of credibility with allies and enemies, a stepping back as a leader on human rights and democracy, and a relinquishment of diplomacy as a critical component of national security.

Article examining NATO's past, present, and future for the Eisenhower Institute

Op-ed by Dr. Ashton B. Carter and Dr. Graham T. Allison in The Washington Post

Book by Ashton Carter, Desmond Ball, Hans Bethe, Bruce Blair, Paul Bracken, Hillman Dickinson, Richard Garwin, Kurt Gottfried, David Holloway, Henry Kendall, Lloyd Leavitt, Jr., Richard Ned Debow, Condoleezza Rice, Peter Stein, John Steinbruner, Lucja Swiatkowski, and Paul Tomb.