Just my opinion, but it looks to me like the earlier release of the damaging emails demonstrating insubordination made them realize Gov. Palin would come out of this fully justified.
Killing this now allows them to leave the issue “out there” for the MSM to try to inflict more damage while keeping the truth from coming to light.
I wonder how many times the inference will be made to “troopergate” on MSNBC and how the Governor “got off” and must have been applying more pressure to compel employees not to testify. The issue remains a “seriousness of the charge” issue instead of “vindicated”.
Good Lord, they can't take losing.
This will send him over the edge.
Now it will probably be one of the many "October surprises" we will see from the media in the final week of the campaign.