Question: What is the birth date of the former Trump campaign manager who promoted Jack Posobiec's tweets?

full_context: Document 1: Rob Stone (entrepreneur): Rob Stone (born July 12, 1968) is an American music, media and branding executive based in New York City. The New York native attended the University at Albany in 1986 where he studied marketing and finance. Stone is the founder of the full-service marketing agency Cornerstone, and co-founder of music and style publication The FADER
Document 2: Devil's Bargain: Devil's Bargain: Steve Bannon, Donald Trump, and the Storming of the Presidency is a book by "Bloomberg Businessweek" journalist Joshua Green about the partnership between Donald Trump and Steve Bannon that led to their 2016 political upset and the rise of the alt-right. Prior to writing the book, Green had worked as a journalist for "The Atlantic" and "Bloomberg", where he garnered experience reporting on conservatives. He had previously written a profile on Bannon in 2015, and interviewed Bannon for the book.
Document 3: Matt Rhoades: Matthew "Matt" Rhoades (born February 3, 1974) is an American political consultant and strategist for the Republican National Committee. In the 2000 presidential election, he worked as a research analyst for the Republican National Committee assisting in the Florida recount. In the 2004 presidential election, Rhoades was director of opposition research for the campaign to re-elect President George W. Bush and Vice-President Dick Cheney. In the 2008 presidential bid of Mitt Romney, Rhoades was director of communications. Rhoades is cited as a pioneer in using less conventional outlets, such as the Drudge Report and America Rising, to influence the public image about candidates who oppose his clients. He was the manager of Mitt Romney's 2012 campaign for the presidency. Rhoades received his B.A. at the Maxwell School of Citizenship and Public Affairs at Syracuse University in 1997 and his M.A. from the Graduate School of Political Management at George Washington University in 1999.
Document 4: Rob Goldstone: Robert Goldstone (born 3 December 1960) is an English publicist and former tabloid journalist, who gained international visibility through his activities in the 2016 US Presidential election.
Document 5: Roger Stone: Roger Jason Stone Jr. (born August 27, 1952) is an American political consultant, lobbyist, and strategist, noted for his use of opposition research usually for candidates of the Republican Party.
Document 6: Steve Bannon: Stephen Kevin "Steve" Bannon (born November 27, 1953) is an American media executive, political thinker, and former investment banker, who is executive chairman of Breitbart News. He served as the White House Chief Strategist (a newly created position) in the administration of US President Donald Trump during the first seven months of his term. In this capacity, he attended the Principals Committee of the U.S. National Security Council from January 28, 2017 to April 5, 2017.
Document 7: Jeff Strabone: Jeff Strabone is a Brooklyn-based American scholar, political activist and civic leader. In 2016, his website "directelection.org" listed the names and addresses of members of the U.S. Electoral College, and he urged people to write to electors to ask them not to vote for president-elect Donald Trump, an effort which brought him national attention. As a civic leader in Brooklyn, he has been active in promoting theatre preservation, building codes and housing issues, hospital preservation, and traffic flow. He has been a leader of Brooklyn's Cobble Hill Association, a neighborhood preservation group. He is the co-founder and chairman of the New Brooklyn Theatre. In 2008, he changed his middle name to "Hussein" as a show of solidarity with then presidential candidate Barack Obama, who was running for the office of president, and who had been criticized for his Muslim-sounding middle name. He is an associate professor of English and teaches British and African literature, and he was granted tenure at Connecticut College in 2016. He commented about the post-election effort:
Document 8: Donald Trump pseudonyms: American businessman, politician, and 45th President of the United States, Donald Trump, has used several pseudonyms, including "John Barron" (or "John Baron") and "John Miller". His habit of sometimes speaking to the media under the guise of a spokesperson has been described as "an open secret" at the Trump Organization and in New York media circles. Some New York editors recalled that "calls from Barron were at points so common that they became a recurring joke on the city desk." A writer for "Fortune" reported that Trump's father Fred Trump had used a pseudonym ("Mr. Green") in business dealings.
Document 9: Jack Posobiec: Jack Posobiec ( ) is an American alt-right pro-Donald Trump Internet activist and conspiracy theorist, known primarily for his controversial comments on Twitter. During the 2016 election, he was a special projects director of Citizens for Trump, a pro-Trump organization. For two months in 2017, he was a correspondent for "The Rebel", a far-right Canada-based website. He was granted press access to the White House in April 2017, and his tweets have been promoted by former Trump campaign manager Roger Stone.
Document 10: Christopher Stone (criminal justice expert): Christopher Stone, an American criminal justice expert, is the President of the Open Society Foundations, the global philanthropies of George Soros. Prior to assuming this position in July 2012, he served as the Guggenheim Professor of the Practice of Criminal Justice at the Harvard Kennedy School from 2005-2012. While at Harvard University, Stone also served as the faculty chair of the Program in Criminal Justice Policy and Management and as the faculty director of the Hauser Center for Nonprofit Organizations. His work at Harvard included research on justice reform in China and Turkey, the development of performance indicators for the justice sector in developing countries, and research on the establishment of the International Criminal Court.
Document 11: Alt-right: The alt-right, or alternative right, is a loosely defined group of people with far-right ideologies who reject mainstream conservatism in favor of white nationalism. White supremacist Richard Spencer initially promoted the term in 2010 in reference to a movement centered on white nationalism, and did so according to the "Associated Press" to disguise overt racism, white supremacism, neo-fascism, and neo-Nazism. The term drew considerable media attention and controversy during and after the 2016 US presidential election.
Document 12: Russell Schriefer: Russell J. Schriefer is an American political strategist and media consultant who has worked on six out of the last seven presidential campaigns. In 2012, he was a senior advisor and media consultant on Governor Mitt Romney’s presidential campaign.
Document 13: Mike Cernovich: Mike Cernovich (born November 17, 1977) is an American alt-right social media personality, writer, and conspiracy theorist. He describes himself as "new right" and an "American nationalist". Cernovich's website "Danger & Play" started in 2012 and was originally known mainly for its content on men's empowerment. During the 2016 US presidential election campaign, it evolved into a largely pro-Donald Trump and anti-Hillary Clinton political blog.
Document 14: Corey Lewandowski: Corey R. Lewandowski ( ; born September 18, 1973) is an American political operative and political commentator. He was a political commentator for One America News Network (OANN) and Fox News Channel (FNC) and a former political commentator for the Cable News Network (CNN), as well as a former campaign manager of Donald Trump's 2016 campaign for President of the United States from January 2015 to June 2016.
Document 15: Roger Ailes: Roger Eugene Ailes (May 15, 1940 – May 18, 2017) was an American television executive and media consultant. He was the founder and one-time Chairman and CEO of Fox News and the Fox Television Stations Group, from which he resigned in July 2016 following allegations that he sexually harassed female colleagues. Ailes was a media consultant for Republican presidents Richard Nixon, Ronald Reagan, and George H. W. Bush, and for Rudy Giuliani's first mayoral campaign. In 2016, after he left Fox News, he became an adviser to the Donald Trump campaign, where he assisted with debate preparation.
ground_truth: August 27, 1952