Petraeus Used Draft Emails for Secret Communications With Paula Broadwell

At C-Net, "Petraeus reportedly used draft e-mails to converse with mistress":

In an effort to cover a trail of messages between him and his mistress, former CIA Director Gen. David Petraeus reportedly used a tactic favored by terrorists and teenagers -- communicating via draft e-mail.

That sounds so freaky in the context of Petraeus. But then again, all of this is freaky in the context of Petraeus. But RTWT.