General view in the Senate caucus room as the Senate Preparedness Subcommittee began its investigation of the Nation's defences. Dr Edward Teller is on the witness stand (lower, right). Left to right Sen John Stennis (Mississippi), Sen Estes Kefauver (Tennessee), Cyrus Vance (assistant counsel), Edwin Weisl (chief counsel), Sen Lyndon B Johnson (Texas), chairman; Republican Senators Leverett Saltonstall (Massachusetts), Ralph Flanders (Vermont), Margaret Chase Smith (Maine), Francis Case (South Dakota), Prescott Bush (Connecticut) and Frank A Barrett (Wyoming). 25 November 1957