Soviet Communist Party Secretary General Leonid Brezhnev (L) holds on to the arm of United States President Gerald Ford, as the two leaders prepare to shake hands following talks they held on July 30, 1975 prior to the opening of the Conference on Security and Cooperation in Europe in Helsinki, Finland. Ford held a “very constructive” private meeting on nuclear arms control with Brezhnev before attending the conference. (UPI Photo/Files)