President Lyndon B. Johnson is shown at his desk in the White House a week after President John F. Kennedy's assassination in this Nov. 29, 1963, file photo taken by Henry Burroughs. Burroughs, an award-winning photographer who chronicled three decades of news for The Associated Press, including the presidencies of Harry Truman, John F. Kennedy and Lyndon B. Johnson, died late Friday, Jan. 14, 2000. He was 81. (AP Photo/Henry Burroughs, File)