Al Qaeda is obsessed with remembering the Manhattan Raid, as it calls the terrorist attacks of Sept. 11, 2001.
To mark 10 years after 9/11, Osama bin Laden was hard at work planning an anniversary attack on the United States, according to information found in his compound in Abbottabad, Pakistan, and his organization has tried several times to stage mass-casualty attacks on the anniversaries of its most important operation.