Good find! Washington Star was a great, conservative newspaper, real power-house.
Search the CIA Electronic Reading Room for "Tavistock."
And it seems that it was Wash Star reporting that lead to the CIA oversight hearings. (pic related, full article worth reading )
12/29/1977: C.I.A. Established Many Links To Journalists in U.S. and Abroad
https:// www.nytimes.com/1977/12/27/archives/cia-established-many-links-to-journalists-in-us-and-abroad-cias.html