Lynda Robb returns from California seeing Chuck off to Vietnam; LBJ's speech on Vietnam; LBJ goes to church with Luci & Pat Nugent; LBJ visits with Hubert & Muriel Humphrey; Lady Bird's "See America" trip; Horace Busby & Lady Bird work on LBJ's speech; LBJ's decision not to run again; LBJ meets with Walt Rostow, Averell Harriman & Ambassador Dobrynin; relationship of LBJ with Luci & Pat; LBJ makes speech in Oval Office; Johnsons receive several calls; Lady Bird discusses LBJ Library; LBJ meets press