This op-ed originally appeared in The Bulletin of the Atomic Scientists. For the second time during his presidency, President Barack Obama and his top advisors are re-evaluating whether to adjust the declared role of nuclear weapons in US national security policy to meet the evolving global strategic environment and reduce the risk of nuclear war. Speaking at the annual meeting of the Arms Control Association on June 6, Deputy National Security Advisor for Strategic Communications Benjamin Rhodes announced that the administration “will continue to review whether there are additional steps...

This article originally appeared in Indepth News. This article appears in cooperation with the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) , as part of the initiative ‘Youth for CTBTO’. The views expressed are those of the author and do not necessarily reflect those of the CTBTO. - Editor WASHINGTON. D.C. (IDN) - Following mass protests against Soviet nuclear weapons testing in Kazakhstan on August 29, 1991, the Kremlin was forced to close the Semipalatinsk nuclear test site, where over 460 nuclear tests were conducted, and declare a moratorium on nuclear testing. This, in turn...

This op-ed originally appeared in The National Interest. Twenty years ago, the United States took a leading role in negotiations to ban the practice of conducting nuclear-weapon test explosions, which enables states to prove new and more deadly nuclear-warhead designs. The result was the Comprehensive Nuclear Test Ban Treaty , which was opened for signature on September 24, 1996. Since then, treaty has been signed by 183 states and has established a powerful taboo against nuclear testing. Only one country—North Korea—has conducted nuclear-weapon test explosions in this century. But the door...

This op-ed originally appeared in CNN. Kingston Reif is the Director for Disarmament and Threat Reduction Policy at the Arms Control Association. You can follow him on Twitter at @KingstonAReif . The opinions expressed in this commentary are his. (CNN) The possibility of Donald Trump winning the presidential election this November has renewed media and public interest in one of the most important responsibilities of the president: commanding America's massive nuclear arsenal and averting nuclear war. Yet what has been lost in the angst that Mr. Trump might soon have the authority to launch...

Modernization proponents argue that the costs will only impose a small financial burden relative to the overall military budget. Are they right?

This op-ed originally appeared in The Huffington Post. Over the course of the presidential campaign, Donald Trump and Hillary Clinton have taken starkly different positions on the landmark 2015 nuclear deal between six world powers and Iran -‑ an agreement that verifiably blocked Tehran’s path to nuclear weapons for well over a decade and eliminated a major international security threat to the United States and our allies in the region ― but neither has explained how they would work with our allies to strengthen the agreement over the course of their term in office. Trump has suggested that...