Breaking it down: General Petraeus out as CIA Director after extramarital affair

And now, the man behind the scandal.

We told you earlier tonight about how C.I.A. Director General David Petraeus has resigned and admitted to an extramarital affair, and in the wake of that both Democrats and Republicans have come out to praise Petraeus, who is one of the most decorated war generals of our time.

He retired as a four star general, with a military career that spanned more than 37 years. He's credited for turning the war around in Iraq as commander of coalition forces there in 2007, and went on to serve as commander of U.S. and NATO forces in Afghanistan where he oversaw a troop surge that began to bring some stability to the war torn country.

On September 6, 2011, he became the 20th Director of the Central Intelligence Agency, confirmed by a unanimous Senate vote. Here to break down the implications of his sudden resignation are Col. Peter Mansoor, who served as executive officer to Gen. David Petraeus, then-commander of the multinational forces in Iraq; Eli Lake, Senior National Security Correspondent for Newsweek/Daily Beast; and Fred Kaplan from Slate.