Lady Bird & Lynda Robb to Smithsonian for "Reading is Fundamental;" welcoming speech by Dillon Ripley; speeches by Lady Bird & Margy McNamara; LBJ Library meeting covered by press; Lady Bird bowls with Muriel Humphrey & Jane Muskie; press take photos; Lady Bird meets leaders of Future Homemakers of America; Lady Bird & Luci Nugent to dinner at General William Westmoreland's; LBJ arrives late; Luci talks about Pat Nugent; possible White House intruder; LBJ is sick; Liz Carpenter has emergency surgery