Joseph Cirincione is a national security analyst and author with 40 years of experience in Washington, D.C. He is a member of the Council for Foreign Relations and is the author or editor of seven books, including Nuclear Nightmares: Securing the World Before It Is Too Late and Bomb Scare: The History and Future of Nuclear Weapons. He served on the International Security Advisory Board for Secretaries of State John Kerry and Hillary Clinton. He has been an advisor for three presidential campaigns, those of Barack Obama, Bernie Sanders, and Elizabeth Warren. He served previously as president of Ploughshares Fund, a global security foundation, as vice president for national security at the Center for American Progress, director for nonproliferation at the Carnegie Endowment for International Peace, and as a senior fellow at the Stimson Center, among other positions. He worked for over nine years on the professional staff of the Armed Services Committee and the Government Operations Committee in the U.S. House of Representatives. He taught at the Georgetown University School of Foreign Service for 12 years. He appears frequently on television, radio, and in the media—and is the author of over 800 articles and reports on defense and national security.

Obama took a big step toward his goal of locking down all vulnerable nuclear materials yesterday. Joe Cirincione says we're witnessing the end of the Dr. Strangelove world of mutual annihilation.

Our most popular president in decades is using his rock-star status to push his anti-nuclear weapons agenda—and got the unanimous backing of the Security Council on Thursday. Joseph Cirincione on Obama’s popularity with purpose.