Down one, the jurors in the Libby trial will deliberate for a fourth day today. 

The New York Times speculates why Libby's defense team pushed to proceed with just 11 jurors -- instead of adding the alternate to make it 12 after the juror was dismissed.  "In this case, the replacement juror would have been a middle-aged woman who identified herself as an insurance industry consultant.  Some reporters at the trial observed her taking notes assiduously during the monthlong proceedings."