On April 5, 2009, when U.S. President Barack Obama spoke in Prague's historic Hradcany Square, he was addressing a crowd of Czechs, but his audience was global. There was palpable excitement as the young new president outlined a vision of a world freed, at last, of the threat of nuclear weapons.
Hopes were raised for a serious movement toward nuclear disarmament, which in turn would drive a reinvigorated commitment to nuclear nonproliferation and nuclear security.
There were additional grounds for optimism over the following months: Russia and the U.S. resumed negotiations on cutting their nuclear stockpiles; the International Commission on Nuclear Non-Proliferation and Disarmament (ICNND) — cosponsored by the Australian and Japanese governments — outlined a comprehensive but sharply practical agenda for further progress on the full nuclear weapons agenda in 2009; Washington hosted a successful nuclear security summit in April 2010; and in May the Nuclear Non-Proliferation Treaty (NPT) Review Conference came to some critical agreements that had eluded its failed predecessor five years earlier.
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