article_snippet.sent: I now look forward to moving on with the next phase of my life and with continuing to serve our great nation as a private citizen,' Petraeus added.
article_snippet.sent: Affair was writing Petraeus biography at the time .
article_snippet.sent: Affair wrote him biography, 'All In: The Education of General David Petraeus', which afforded them considerable time together.
article_snippet.sent: Petraeus held the CIA post less than a year, not long enough to leave a significant mark on the spy agency.
article_snippet.sent: The core of Petraeus  identity has been a military man.
article_snippet.sent: Petraeus  was brought in by President George W. Bush to command multinational forces in Iraq in 2007, a period when the war began to turn in favor of the U.S. Petraeus' command coincided with the 'surge' of American forces in Iraq and a plan to pay Sunni militias to fight al-Qaeda in Iraq.