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General David Petraeus, the three-star U.S. General charged with overseeing the transition of power from the Coalition military authorities to the Iraqis poses June 21, 2004 in Najaf, Iraq. (Photo by Brent Stirton/Getty Images)

David Petraeus

David Petraeus apologized on March 26 to an audience of veterans for the conduct that led to his resignation in 2012 as head of the CIA following the disclosure of an extramarital affair with his biographer, Paula Broadwell.