Lyndon Johnson departed Washington unloved by virtually everybody. Quite the opposite was true of Mrs. Lyndon Johnson, whose warm and buoyant manner as First Lady created for her an admiring constituency untainted by L.B.J.'s problems. So it was a festive homecoming for Lady Bird last week as some 500 of her friends gathered in Washington at a luncheon launching her new book, A White House Diary (Holt, Rinehart & Winston; $11).
With characteristic respect for history and contempt for waste, Lady Bird documented her five White House years by squirreling away appointment sheets, memoranda, letters and, above all, by...