http://www.jamestown.org/terrorism/news/article.php?articleid=2369820
Michael Scheuer
"The question of al-Qaeda's longevity after the demise of its figurehead is ultimately unanswerable until bin Laden is actually gone. There are those who believe bin Laden is dead - which would surely be one of history's best kept secrets -and argue that al-Qaeda has proven its survivability. While never saying never, it seems exceedingly likely that bin Laden is alive, and on that presumption the following analysis is based. "
