Agence France-PresseAugust 13, 2013 10:00
The chill in US-Russian relations has dimmed prospects for a slash in America's nuclear weapons arsenal, experts say.
Since his historic 2009 appeal in Prague, President Barack Obama has sought to make disarmament a cornerstone of his presidency.
But much hinges on Moscow.
In a major address in Berlin in June, Obama urged Russia to jointly reduce nuclear weapons stockpiles by a third, taking them to the 1,000 mark.
"These are steps we can take to create a world of peace with justice," Obama said with the German capital's Brandenburg Gate as a backdrop.