George Perkovich is Vice-President for Studies at the Carnegie Endowment for International Peace and is the author of India’s Nuclear Bomb.
As the world reacts to news of North Korea's underground nuclear test, a crucial anniversary is observed: Twenty years ago at the Reykjavik Summit, Ronald Reagan and Mikhail Gorbachev outlined a vision for a non-nuclear world. What went wrong? In this Nation forum, four experts from the nonproliferation movement discuss how to put disarmament back on the world's agenda.


