CIA Director David Petraeus resigns

Gen. David Petraeus poses for a photo on June 17, 2004, in Baghdad, Iraq. Petraeus, the retired four-star general who led the U.S. military campaigns in Iraq and Afghanistan, resigned Friday, Nov. 9, 2012 as director of the CIA after admitting he had an extramarital affair.

Gen. David Petraeus poses for a photo on July 21, 2011, in London.

Gen. David Petraeus conducts a question and answer session with the media, July 9, 2011, at Camp Eggers in Kabul, Afghanistan.

Gen. David Petraeus gives his first press conference since taking over command of US forces in Iraq, March 8, 2007, in the Green Zone in Baghdad, Iraq.

Gen. David Petraeus chats with troops during a visit to a forward operating base, July 7, 2007 in Bacouba, Iraq.

Gen. David Petraeus (R) tells members of the Senate Armed Services Committee that he sees a possibility of troop reductions this fall during his confirmation hearing, May 22, 2008, in Washington, DC.

Gen. David Petraeus participates in a Senate Foreign Relations Committee hearing on Capitol Hill, Dec. 9, 2009, in Washington, DC.

Gen. David Petraeus listens to a briefing about the security situation in Ramadi and Anbar province, July 7, 2007, at Camp Ramadi in Iraq.

Gen. David Petraeus speaks after briefing lawmakers on Capitol Hill, April 25, 2007, in Washington, DC.

Gen. David Petraeus talks with an Iraqi man in the Shorja market area of downtown Baghdad while on foot patrol to meet shopkeepers and other Iraqis, March 3, 2007, in Baghdad, Iraq.

Gen. David Petraeus prepares to embark on a foot patrol to meet shopkeepers and other Iraqis in two Iraqi neighborhoods, March 3, 2007, in Baghdad, Iraq.

In this June 23, 2011, photo, Holly Petraeus looks on as her husband, then-CIA Director nominee Gen. David Petraeus, testifies before the Senate Intelligence Committee on Capitol Hill in Washington. Gen.

Gen. David Petraeus walks the floor of the New York Stock Exchange to ring the Opening Bell as the CIA Commemorates it's 65th Anniversary on Sept. 18, 2012, in New York City.

Gen. David Petraeus poses for a photo on June 21, 2004, in Najaf, Iraq.

Gen. David Petraeus meets soldiers on the flightline of Forward Base Wilson after he arrived for a brief visit, Oct. 7, 2010, west of Kandahar, Kandahar Province, Afghanistan.

President Barack Obama (L) listens while Gen. David Petraeus speaks in the East Room of the White House, April 28, 2011, in Washington, DC.

Gen. David Petraeus speaks during his confirmation hearing before the Senate Armed Services Committee as his wife Holly Petraeus listens on Capitol Hill, June 29, 2010, in Washington, DC.