Noam Scheiber theorizes as to why there was no bin Laden tape this election:
...in the final week or so before today's election, Obama appeared to have a pretty insurmountable lead. Even if a bin Laden tape would have narrowed the margin, it probably wouldn't have made a winner of McCain. In which case it would have exposed bin Laden to be kind of impotent.
This article available online at:
http://www.theatlantic.com/daily-dish/archive/2008/11/osama-the-silent/209042/
