LBJ's awareness of the importance of symbols, weighs whether Lynda should continue to live in an all-white dormitory at UT; LBJ considers inviting civil rights leaders to the Ranch; LBJ-staff relationship; Jack Valenti; George Reedy; Walter Jenkins; Marvin Watson; background of LBJ's visit with the parents of three civil rights workers slain in Mississippi; murder of Mrs. Viola Liuzzo and Col. L. A. Penn; LBJ's instructions to keep RFK informed on matters pertinent to his office; Marvin Watson and security screening presidential appointments