One "Gerald Posner" of Miami Beach wrote a letter to the New York Times in August which began
"I represent Ahmed Wali Karzai." In this letter this Posner guy defended the brother of Afghan President Hamid Karzai against allegations that he's been on the CIA payroll.
http://www.nytimes.com/2010/08/24/opinion/l24karzai.html?_r=2The Huffington Post has no doubt this is the same Gerlad Posner who wrote the book "Case Closed," (an Oswald-did-it book).
http://www.huffingtonpost.com/russ-baker/peculiar-posner_b_695710.htmlPosner had to leave his job as a journalist in the Daily Beast after allegations of plagiarism haunted him.
http://www.miamiherald.com/2010/02/11/1473780/gerald-posner-quits-daily-beast.html