Not provided in the doc dump are the emails FROM the White House to DoJ (or emails internal to the WH), just those coming from DoJ. There's also cases where political party servers where used for correspondence from/to DoJ peeps, which... at best... circumvents gubmint documentation archiving regs and it raises the issue of using taxpayer $ for political work. Which would be helpful as a way to avoid a documentation trail, accidentally or otherwise.
>This gets better and better.
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http://www.cnn.com/2007/POLITICS/03/21/attorneys.email.gap/index.html