The Unknown Known I know." "The Unknown Known" was screened in the main competition section at the 70th Venice International Film Festival, and premiered at the Telluride Film Festival on August 29, 2013. The documentary has an 84% approval rating on the review aggregator website Rotten Tomatoes, based on 105 reviews with an average rating of 8.2/10. The website's critical consensus reads, "Viewers hoping to see Donald Rumsfeld admit making mistakes in public office may find "The Unknown Known" frustrating – but no less fascinating." On Metacritic, the film has a weighted average score of 69 out of 100, based on 30 critics,
Known and Unknown: A Memoir "Vietnamization", which he tries to implement under President Nixon. He calls the South Vietnamese's regime's final collapse as the fault of Congress, and he views the final outcome as a "withdrawal" and "retreat". Rumsfeld recalls how his career led him and his wife to develop a lifetime friendship with media and entertainment personality Sammy Davis, Jr. He recounts visiting Redskins games and becoming a huge fan of Elvis Presley. Rumsfeld reveals that, backstage in a Las Vegas concert late one night, Presley pulled him aside to express thanks to the U.S. armed forces. Rumsfeld writes that "patriots can be found