Bill Moyers gives briefing on LBJ's health; Lady Bird sends telegram for President Eisenhower's birthday; Johnsons spend few hours in quiet, sunny room overlooking countryside; press were allowed to take photographs; Lady Bird goes to Great Falls with Ashton Gonella; Lady Bird back to hospital for dinner with LBJ; reminiscences about Senate; LBJ tells anecdotes; Lady Bird discusses a freeway between Capitol and end of Mall