The woman with whom Gen. David Petraeus was having an affair is Paula Broadwell, the author of a recent hagiographic book about him, All In: The Education of General David Petraeus.

Petraeus resigned as CIA director on Friday, citing the affair. In a letter to his staff, Petraeus wrote:

"Yesterday afternoon, I went to the White House and asked the President to be allowed, for personal reasons, to resign from my position as D/CIA. After being married for over 37 years, I showed extremely poor judgment by engaging in an extramarital affair. Such behavior is unacceptable, both as a husband and as the leader of an organization such as ours."

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