Of all the threats to global security and peace, the most dangerous is the proliferation and potential use of nuclear weapons. That’s why, seven years ago in Prague, I committed the United States to stopping the spread of nuclear weapons and to seeking a world without them. This vision builds on the policies of presidents before me, Democrat and Republican, including Ronald Reagan, who said “we seek the total elimination one day of nuclear weapons from the face of the Earth.”
Thursday in Washington, I’ll welcome more than 50 world leaders to our fourth Nuclear Security Summit to advance a central pillar of our Prague Agenda: preventing terrorists from obtaining and using a nuclear weapon. We’ll review our progress, such as successfully ridding more than a dozen countries of highly enriched uranium and plutonium. Nations, including the United States, will make new commitments, and we’ll continue strengthening the international treaties and institutions that underpin nuclear security…..