FILE - In this Oct. 3, 1972 file photo, instruments of ratification are signed in the White House East Room by Soviet Foreign Minister Andrei Gromyko and U.S. Secretary of State William P. Rogers to put the SALT agreements into force. From left are Soviet Ambassador Anatoly F. Dobrynin. Gromyko, President Nixon, Rogers and U.S. SALT negotiator Gerard C. Smith. Anatoly Dobrynin, a Soviet diplomat who represented Moscow during the Cuban missile crisis and later in key superpower negotiations to curb the growth of nuclear arsenals, is dead at age 90, Russia's Itar-Tass news agency reported Thursday, April 8, 2010. (AP Photo/Henry Burroughs, File)