"The Most Dangerous Man in America" is the story of what happens when a former Pentagon insider, armed only with his conscience, steadfast determination, and a file cabinet full of classified documents, decides to challenge an "imperial" presidency – answerable to neither Congress, the press, nor the people – in order to help end the Vietnam War.

He's devoted his career to uncovering stories the powerful want buried. From My Lai to Abu Ghraib, dig into the life's work of journalist Seymour Hersh.