Conversation with THOMAS MANN and TELEPHONE OPERATOR, March 26, 1964

MANN REPORTS ON HIS TESTIMONY BEFORE SENATE FOREIGN RELATIONS COMMITTEE; LBJ ASKS ABOUT WILLIAM FULBRIGHT'S REACTION, INSTRUCTS MANN TO EMPHASIZE LBJ'S STAND ON ISSUE OF PANAMA CANAL TREATY REVISION TO SENATE AND PUBLIC; MANN'S UPCOMING SPEECH ON PANAMA