0What Exactly Does Petraeus Know? On 'Meet the Press,' Bob Woodward argued that it might be worth trying David Petraeus as a private citizen in the upcoming Senate hearings on Benghazi—especially since the ex-CIA chief visited Tripoli just last week to collect more information.Updated Apr. 21, 2017 2:56PM EDT / Published Nov. 11, 2012 5:22PM EST Michael Gottschalk, dapd / AP Photo