At the signing ceremony in Prague, President Obama noted that the conclusion of the New START Treaty &quot; demonstrates the determination of the United States and Russia -- the two nations that hold over 90 percent of the world &apos; s nuclear weapons -- to pursue responsible global leadership.
At the signing ceremony in Prague, President Obama noted that the conclusion of the New START Treaty &quot; demonstrates the determination of the United States and Russia - the two nations that hold over 90 percent of the world &apos; s nuclear weapons - to pursue responsible global leadership.