This PBS Frontline aired Tuesday. It documents Dick Cheney’s battle to strengthen the executive branch over his 35 year political career. It also shines the spotlight on David Addington, who replaced Scooter Libbey as Cheney’s second in command (I believe Sith Lord is the title of that role).
56 minutes. Link to Video
Jack Goldsmith talked about this stuff on the Daily Show last month. Link
Lynn Cheney appeared on the Daily Show last week. Part 1 | Part 2


