A wide-ranging research associate at M.I.T.’s Center for International Studies, Mr. Griffith sees vital need for continued firmness in United States policy toward both of the major disputants in the Communist world. Author of many books and policy studies, including the recent volume THE SINO-SOVIHT RIET, he calls for a program that will curb Red Chinese expansionism as effectively as the post-war policy of containment has restricted Soviet expansion.