U.S.-Russia Nuclear Agreement Is First Step in Broad Effort

MOSCOW — President Obama signed an agreement on Monday to cut American and Russian strategic nuclear arsenals by at least one-quarter, a first step in a broader effort intended to reduce the threat of such weapons drastically and to prevent their further spread to unstable regions.

Mr. Obama, on his first visit to Russiasince taking office, and PresidentDmitri A. Medvedev agreed on the basic terms of a treaty to reduce the .....

http://www.nytimes.com/2009/07/07/world/europe/07prexy.html?_r=5&th&emc=th