Petraeus resignation Open Thread

That’s some big news.  Three days after the President wins reelection, the head of the CIA, who just happened to be on the Benghazi watch, resigns, citing an affair.  That opens the way to a lot of ideas.

I’ll accept that he was indeed having an affair.  Did he resign because he was being blackmailed?  If so, was he being blackmailed by a foreign entity or was the administration blackmailing him to keep quiet about Benghazi?  And if the latter is true, does the fact that he resigned and that he identified the affair mean that he is escaping the administration’s grip and heading towards being a whistle-blower?

These are lovely conspiracy theories without a scintilla of evidence.  I think you should feel free to spin out your own theories.