CNN

Obama arrived in Moscow Monday.

MOSCOW, Russia (CNN) - Russian and U.S. nuclear negotiators have completed a joint statement on the framework for a new arms control agreement to replace the 1991 START I agreement which expires December 5.

A U.S. source close to the American side tells CNN that Presidents Barack Obama and Dmitry Medvedev will discuss the joint statement at their Monday meetings in Moscow and are expected to announce and sign it at their joint press conference Monday afternoon.

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