Question: What is the birth date of the former Trump campaign manager who promoted Jack Posobiec's tweets?
Related documents: [0]  [DOC] 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. [END] 
[1]  [DOC] 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. [END] 
Answer: 
August 27, 1952
August 27, 1952