Architects and Engineers for 9/11 Truth.The organization will hold an online preview of its new film “The Unspeakable,” by conspiracy theorist Dylan Avery, Sept 10. After the screening, O’Donnell, 59, will host a Q&A session with 9/11 family members who reportedly were cut from Spike Lee’s controversial HBO documentary “NYC Epicenters 9/11-2021½.”The “Sleepless in Seattle” actress is a longtime 9/11 “truther” and will interview Michele Little, Bob McIlvaine, Drew DePalma and Bill Brinnier.