To mark the fifth anniversary of the September 11, 2001 attacks on the United States, CBC presents a two hour documentary based on the findings of the 9/11 Commission and featuring former White House Advisor Richard Clarke.
Overview：To mark the fifth anniversary of the September 11, 2001 attacks on the United States, CBC presents a two hour documentary based on the findings of the 9/11 Commission and featuring former White House Advisor Richard Clarke.
