FILE - In this May 23, 1972 file photo U.S. President Richard Nixon, seated at left, is seen prior to the signing of the Soviet-American Environmental agreement at the Kremlin in Moscow. President Nikolai Podgorny is seated at right. At left is interpreter Viktor Sukhodrev. Viktor Sukhodrev, the Soviet interpreter who for three decades brought the words of Kremlin leaders to the English-speaking world died in Moscow on Friday May 16, 2014 at the age of 81. (AP Photo, File)