From Asia Times: More questions on the 9/11 events

"Osama "dead or alive" bin Laden would rather lose his kidney than pass up the opportunity to celebrate the eighth anniversary of September 11, 2001, on the United States. And like clockwork, he resurfaced in an 11-minute, al-Sahab-produced audiotape last week (sorry, no video, just a still picture), where he states how a series of grievances had 'pushed us to undertake the events of [September 11]'".