On nuclear weapons, nations must cooperate to avoid catastrophe
President Obama’s visit to Hiroshima comes almost 71 years after the conclusion of a world war that was fought and ended with tremendous sacrifice, huge casualties and immense devastation. Today, global nuclear arsenals are capable of destroying not only cities but also civilization itself.
The Greatest Terrorist Threat: How to stop nuclear material from falling into the wrong hands
Sam Nunn, Richard Lugar and Des Browne write on the nuclear terrorism threat after the assault on Paris: "As the 2016 Nuclear Security Summit approaches, we applaud leaders for engaging on the threat and for taking the steps they have already taken to remove and secure vulnerable materials, but we have a long way to go."