PAKISTAN A-PROJECT UPSETS SUPERPOWERS - WASHINGTON POST

By Bob Woodward and Don Oberdorfer Washington Post Staff Writers The United States and the Soviet Union have engaged in some unpub- licized tough talk during the past month over growing indications that Pakistan's nuclear program has moved far along the path toward production of an atomic bomb, ac- cording to administration sources. The discussion was generated by a direct and unusually tough Soviet warning to Pakistan about its nu- clear activities, the sources said, in- cluding a charge that t...