My thought is that he isn't resigning over the affair, he is resigning over the email leak and the affair was made public so he would go away, rather than they court martial him for letting her read "sensitive" emails.

The other guy is nuts. Petraeus was just horny.

Read about the Waffle House exec that is being sued for hiring a single mom that needed a job, and seemingly, allegedly brow beat her and threatened her job until she would wack him off. If you gonna risk a high paying gig, get something better than hand jobs. http://www.cnn.com/2012/11/09/justice/georgia-waffle-house-allegation/.
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Thinking of cracked-out and/or tweaking whores getting their throats and asses brutalized for the next hit makes me hard. --Rear Admiral