**FILE** Former president Lyndon B. Johnson and his wife, Lady Bird, pose with their dog Yuki to mark their 38th wedding anniversary at their ranch and home in Stonewall, Texas in this Nov. 17, 1972 file photo. Lady Bird Johnson, the former first lady who championed conservation and worked tenaciously for the political career of her husband, former President Lyndon B. Johnson, died Wednesday, July 11, 2007 a family spokeswoman said. She was 94. (AP Photo/File)