LBJ to funerals of Astronauts Grissom Chaffee; Lady Bird to West Point for Astronaut Ed White's funeral; ride in car with General John McConnell; Lady Bird recalls astronauts' visit to White House & Paris air show; Lady Bird describes service & people; unveiling ceremony for FDR portrait by Madame Shoumatoff; Margaret Truman & Cliff Daniels are houseguests; Margaret's pianos sank into White House floor; Lady Bird & LBJ make remarks; "Sunrise at Campobello"; Lady Bird to Harkness Ballet