Nate Silver has a nice discussion of Benford's Law as it applies to the Iranian election. http://www.fivethirtyeight.com/2009/06/karroubis-unlucky-7s.html http:

Nate Silver has a nice discussion of Benford's Law as it applies to the Iranian election. http://www.fivethirtyeight.com/2009/06/karroubis-unlucky-7s.html http://www.fivethirtyeight.com/2009/06/karroubis-unlucky-7s.... His conclusion is that the data might show irregularities or that it might just be a consequence of how the towns are aggregated before being reported.