If you remember, way back in 2008, Petraeus' name was being thrown around as a possible GOP nominee in 2012.
THIS is a great example of how far the Obama machine will go to prepare the destruction of potential rivals.
Yes, IMO, they have known about this affair from the start... maybe even before it began.(honey trap) I think they placed him head of the CIA so they could use him as a fall guy if needed.