Former CIA director and retired Gen. David Petraeus during his address Tuesday at the University of Southern California.
Frederic J. Brown /AFP/Getty Images
March 27, 2013 The former CIA director stepped out of the shadows to express "how deeply I regret — and apologize for — the circumstances that led to my resignation from the CIA and caused such pain for my family, friends and supporters." An extramarital affair led to his resignation.
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