Question: What is the birthdate of this American business magnate, investor, and philanthropist, who is featured in the documentary Nobody Speaks: Trials of the Free Press, regarding his secret purchase of the Las Vegas Review Journal?

<P0-S0> Las Vegas Uncork'd (also referred to as Vegas Uncork'd and Vegas Uncorked) is an annual culinary and wine event in Las Vegas, Nevada. <P0-S1>  The concept was developed by the Las Vegas Convention and Visitors Authority, their advertising agency R&R Partners and Las Vegas resort partners who originally considered a number of magazine partners such as Bon Appetit, Food & Wine and Gourmet. <P0-S2>  Bon Appetit was selected as the magazine partner after a review with each magazine. <P0-S3>  The event was launched in 2007 by the Las Vegas Convention and Visitors Authority, "Bon Appétit" magazine led by Editor-in-Chief Barbara Fairchild and co-creator and Executive Director Rob O'Keefe who led the first five years of development of what Eater.com called "the world's most innovative culinary event". <P0-S4>  Las Vegas resort partners over the years include Bellagio, Caesars Palace and Wynn Las Vegas, MGM Grand, Mandalay Bay, The Venetian, Las Vegas and The Palazzo and each year the event features more than 80 celebrated chefs and over 25 events occurring over a spectacular four-day weekend. <SEP> <P1-S0>  He is the founder, chairman and chief executive officer of Las Vegas Sands Corporation, which owns the Marina Bay Sands in Singapore, and is the parent company of Venetian Macao Limited, which operates The Venetian Resort Hotel Casino and the Sands Expo and Convention Center. <P1-S1>  He also owns the Israeli daily newspaper "Israel Hayom", and the "Las Vegas Review-Journal". <P1-S2>  Adelson, a lifelong donor and philanthropist to a variety of causes, founded with his wife's initiative the Adelson Foundation. <P1-S3> Sheldon Gary Adelson (pronounced ; born August 4, 1933) is an American business magnate, investor, and philanthropist. <P1-S4>  He is a member of the Republican Party. <SEP> <P2-S0> Age of Secrets: The Conspiracy that Toppled Richard Nixon and the Hidden Death of Howard Hughes is a conspiracy theory-oriented biography of Howard Hughes personal advisor John H. Meier. <P2-S1>  It is written by newspaper reporter Gerald Bellett and was published by the Las Vegas Free Press in 2015. <P2-S2>  The book argues that Meier was one of the people who played a role in affecting President Richard Nixon's resignation in the wake of the Watergate scandal. <P2-S3>  It also details how Meier was supposedly pursued for 20 years by the CIA, the Hughes organization, as well as Nixon sympathizers. <P2-S4>  The book includes an excerpt from Meier's diary regarding what he says is his knowledge regarding the assassination of Robert F. Kennedy. <SEP> <P3-S0> Nobody Speak: Trials of the Free Press is a 2017 Netflix documentary directed by Brian Knappenberger. <P3-S1>  The documentary is themed around the effects of big money on American journalism. <P3-S2>  The documentary focuses on two incidents: Peter Thiel financing wrestler Hulk Hogan's lawsuit against Gawker Media, and casino owner Sheldon Adelson's secret purchase of the "Las Vegas Review-Journal".