Correspondence. Date: March 7, 1957; From: U.E. Baughman; To: John L. McClellan, Chairman, Select Committee to Investigate Improper Acts in Labor and Management Field; Content: Reports that a polygraph test, administered to Nathan Zusman at the request of Robert F. Kennedy, Chief Counsel of the Select Committee to Investigate Improper Acts in Labor and Management Field, detected that Zusman was not being truthful to the committee.