Obama, Biden, Hillary, Carney and Rice; lent aid and cover to AL Qeda by removing all references to their involvement in the attacks on US Embassy in Benghazi of Sept 11,2012.
Nuland, on behalf of "[her] building's leadership's concerns", alludes to culpability about that in email concerning original CIA talking points, wanting things that point to that excised from those early talking points. I believe the vacuum left by the excised Al Qaeda/terrorism references occasioned the perceived need to drop-in the pre-positioned "video" story, about which HDRC and BHO were already both fully aware.
Axelrod (DA) wanting WH emails to be released is of course telling. There are apparently variants of emails, some of which DA considers exculpatory. Just as talking points are updated, however, I have to wonder whether correct date and time stamps might show various, similar emails are but updates or expansions of previous emails, not necessarily dastardly, fictional rewrites, one of another--though there could be some of that going on, too!
HF